{"title":"Nail Strengtheners \u0026 Treatments","description":"","products":[{"product_id":"opi-natural-nail-strengthener","title":"OPI Natural Nail Strengthener — Strengthening Base Coat (15 mL, NTT60)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.85; max-width: 720px; }\n  .wonjo-wrap-kr { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.95; max-width: 720px; }\n\n  \/* === COMMON TEXT === *\/\n  .wonjo-wrap p, .wonjo-wrap-kr p { margin: 0 0 13px 0; color: #3a3a3a; }\n  .wonjo-wrap ul, .wonjo-wrap-kr ul { margin: 0 0 13px 0; padding-left: 18px; color: #3a3a3a; }\n  .wonjo-wrap ul li, .wonjo-wrap-kr ul li { margin-bottom: 7px; }\n\n  \/* === HEADINGS — H2 (old protein template) === *\/\n  .wonjo-wrap h2 { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; margin: 36px 0 8px 0; }\n  .wonjo-wrap-kr h2 { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; margin: 36px 0 8px 0; }\n\n  \/* === HR SEPARATOR (under h2 + inside details) === *\/\n  .wonjo-wrap hr, .wonjo-wrap-kr hr,\n  .wonjo-wrap details hr, .wonjo-wrap-kr details hr { border: none; border-top: 1.5px solid #4a7c59; margin: 0 0 18px 0; }\n\n  \/* === DETAILS \/ SUMMARY (rounds 1-4 + LEGO) === *\/\n  .wonjo-wrap details, .wonjo-wrap-kr details { margin: 0; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap details:last-of-type, .wonjo-wrap-kr details:last-of-type { border-bottom: none; }\n\n  .wonjo-wrap details summary { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n  .wonjo-wrap-kr details summary { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n\n  .wonjo-wrap details summary::-webkit-details-marker, .wonjo-wrap-kr details summary::-webkit-details-marker { display: none; }\n  .wonjo-wrap details summary::after, .wonjo-wrap-kr details summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: normal; color: #4a7c59; }\n  .wonjo-wrap details[open] summary::after, .wonjo-wrap-kr details[open] summary::after { content: '−'; }\n\n  \/* Content spacing — handles both direct-children variant AND \u003cdiv\u003e wrapper variant *\/\n  .wonjo-wrap details \u003e *:not(summary):not(hr), .wonjo-wrap-kr details \u003e *:not(summary):not(hr) { margin-bottom: 13px; }\n  .wonjo-wrap details \u003e *:last-child, .wonjo-wrap-kr details \u003e *:last-child { margin-bottom: 18px; }\n  .wonjo-wrap details \u003e div, .wonjo-wrap-kr details \u003e div { padding: 0 0 20px 0; }\n\n  \/* === SPEC GRID === *\/\n  .wonjo-wrap .spec-grid, .wonjo-wrap-kr .spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 16px 0; border: 1px solid #e8e8e4; border-radius: 4px; overflow: hidden; }\n  .wonjo-wrap .spec-item, .wonjo-wrap-kr .spec-item { padding: 10px 14px; border-bottom: 1px solid #e8e8e4; font-size: 14px; }\n  .wonjo-wrap .spec-item:nth-last-child(-n+2), .wonjo-wrap-kr .spec-item:nth-last-child(-n+2) { border-bottom: none; }\n  .wonjo-wrap .spec-label, .wonjo-wrap-kr .spec-label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; display: block; margin-bottom: 2px; font-weight: bold; }\n  .wonjo-wrap .spec-value, .wonjo-wrap-kr .spec-value { color: #2b2b2b; }\n\n  \/* === TIPS \/ WARNINGS === *\/\n  .wonjo-wrap .tip, .wonjo-wrap-kr .tip { background: #f4f8f5; border-left: 3px solid #4a7c59; padding: 12px 16px; font-size: 13.5px; color: #4a5a4a; margin: 14px 0; font-style: italic; }\n  .wonjo-wrap .tip-warn, .wonjo-wrap-kr .tip-warn { background: #fdf6e3; border-left: 3px solid #b8860b; padding: 12px 16px; font-size: 13.5px; color: #6e5828; margin: 14px 0; font-style: italic; }\n\n  \/* === BADGES === *\/\n  .wonjo-wrap .badge-row, .wonjo-wrap-kr .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px 0; }\n  .wonjo-wrap .badge, .wonjo-wrap-kr .badge { font-size: 11.5px; border: 1px solid #c2d8c9; background: #eef5f0; color: #3a6b48; border-radius: 3px; padding: 5px 11px; font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\n  \u003cp class=\"intro-subtitle\"\u003eOPI's strengthening base coat for natural nails — calcium and wheat protein in a single-coat application that gives weak nails extra structure before color. Different from the Nail Envy 7-day cycle: this is a daily base coat that wears under your favorite OPI Nail Lacquer.\u003c\/p\u003e\n\n  \u003cdetails open\u003e\n    \u003csummary\u003eAbout This Product\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e15 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003eBase Coat + Strengthener\u003c\/span\u003e\u003cspan class=\"badge\"\u003eMade in USA\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eWeak nails\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eThin nails\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eBreakage\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003ePolish bonding\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp\u003eNatural Nail Strengthener is OPI's foundational strengthening base coat — designed as a single-application alternative to the Natural Nail Base Coat for shoppers whose nails need a bit more support before color. The formula combines calcium with hydrolyzed wheat protein to add layer-strength to weak or thin nails, creating a stronger surface for nail lacquer to bond to.\u003c\/p\u003e\n\u003cp\u003eWhere Nail Envy is a 7-day building cycle worn alone or as base, Natural Nail Strengthener is closer to a regular base coat — one coat, then your color, then top coat, all in the same manicure session. Korean shoppers comparing the two: choose Nail Envy if you want a treatment phase between manicures; choose Natural Nail Strengthener if you want strengthening built into your normal painting routine.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eProduct Details\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNatural Nail Strengthener\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eStrengthening base coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e15 mL \/ 0.5 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eWear Cycle\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSingle coat per manicure (not a multi-day cycle)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~12 weeks per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eNatural Nail Strengthener uses a classic two-ingredient strengthening complex — straightforward and time-tested.\u003c\/p\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003ePrimary Active\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eCalcium — for nail layer strength\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eProtein Component\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eHydrolyzed wheat protein — bonds to keratin\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eClear strengthening base coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eColor Tint\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNone — applies clear\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Use\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eStart with clean, dry, polish-free nails. Push back cuticles gently with an orange wood stick.\u003c\/li\u003e\n\u003cli\u003eApply 1 thin coat of Natural Nail Strengthener to bare nails.\u003c\/li\u003e\n\u003cli\u003eAllow 60-90 seconds to dry completely.\u003c\/li\u003e\n\u003cli\u003eApply 2 thin coats of your favorite OPI Nail Lacquer color, allowing each to dry.\u003c\/li\u003e\n\u003cli\u003eFinish with 1 coat of OPI Top Coat (or Matte Top Coat \/ Mirror Shine \/ RapiDry for different finishes).\u003c\/li\u003e\n\u003cli\u003eRepeat with each new manicure — no daily refresh needed.\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"tip\"\u003eNatural Nail Strengthener is the base-coat option for shoppers who want strengthening built into a normal manicure. Apply thin — heavy coats slow drying and chip more easily.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eFor maximum strengthening over time, alternate between Natural Nail Strengthener (used during color phases) and Nail Envy Original (used during between-manicure treatment phases). The two products serve different roles in a complete nail-care routine.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003ePairs Well With\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eApply directly to\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eBare, polish-free nails. Push back cuticles first.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eLayer with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eAny OPI Nail Lacquer color — Natural Nail Strengthener serves as the strengthening base.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eSeal with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Top Coat for classic gloss, Matte Top Coat for matte, Mirror Shine for high-shine, or RapiDry for fast drying.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL) — acetone-based for clean removal.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003ePair daily with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil (14.8 mL dropper at home, 7.3 mL To Go pen for purse\/work bag).\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eKorean shoppers comparing strengthening options often face a choice between \"base coat with benefits\" (Natural Nail Strengthener) and \"treatment cycle\" (Nail Envy Original). The right answer depends on your manicure rhythm — frequent polish changes favor Natural Nail Strengthener; longer between-color stretches favor Nail Envy.\u003c\/p\u003e\n\u003cp\u003eOPI's broader strengthening lineup is more available in the US than in Korean retail. The Natural Nail Strengthener specifically isn't always carried by Korean OPI distributors, leaving direct import as the main route for Korean shoppers who specifically want this product over the more-stocked Nail Envy line.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n    \u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Us\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The treatment line — Nail Envy, Repair Mode, Natural Nail Strengthener, and Start to Finish — has been a category-defining range for over three decades.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFAQ\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"faq-q\"\u003eQ: Is this the same as OPI Natural Nail Base Coat?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eSimilar position in the manicure layering process, but Natural Nail Strengthener has added calcium and protein for additional strengthening. Base Coat focuses on adhesion; Strengthener does both.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How is this different from Nail Envy?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eNatural Nail Strengthener is a base coat used during normal color manicures. Nail Envy is a treatment cycle (7-day build, then remove) used between color manicures or alone for nail recovery.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use this without color polish on top?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eIt will still strengthen, but the look is mostly invisible (no color, just a slight gloss). Most shoppers use it as a base coat with color and top coat over it.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Order\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45451638800431,"sku":"NTT60","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-natural-nail-strengthener-ntt60-2.png?v=1781134079"},{"product_id":"opi-nail-envy-original-nail-strengthener","title":"OPI Nail Envy Original Nail Strengthener — Clear Strengthening Treatment (15 mL, NTT80)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.85; max-width: 720px; }\n  .wonjo-wrap-kr { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.95; max-width: 720px; }\n\n  \/* === COMMON TEXT === *\/\n  .wonjo-wrap p, .wonjo-wrap-kr p { margin: 0 0 13px 0; color: #3a3a3a; }\n  .wonjo-wrap ul, .wonjo-wrap-kr ul { margin: 0 0 13px 0; padding-left: 18px; color: #3a3a3a; }\n  .wonjo-wrap ul li, .wonjo-wrap-kr ul li { margin-bottom: 7px; }\n\n  \/* === HEADINGS — H2 (old protein template) === *\/\n  .wonjo-wrap h2 { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; margin: 36px 0 8px 0; }\n  .wonjo-wrap-kr h2 { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; margin: 36px 0 8px 0; }\n\n  \/* === HR SEPARATOR (under h2 + inside details) === *\/\n  .wonjo-wrap hr, .wonjo-wrap-kr hr,\n  .wonjo-wrap details hr, .wonjo-wrap-kr details hr { border: none; border-top: 1.5px solid #4a7c59; margin: 0 0 18px 0; }\n\n  \/* === DETAILS \/ SUMMARY (rounds 1-4 + LEGO) === *\/\n  .wonjo-wrap details, .wonjo-wrap-kr details { margin: 0; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap details:last-of-type, .wonjo-wrap-kr details:last-of-type { border-bottom: none; }\n\n  .wonjo-wrap details summary { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n  .wonjo-wrap-kr details summary { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n\n  .wonjo-wrap details summary::-webkit-details-marker, .wonjo-wrap-kr details summary::-webkit-details-marker { display: none; }\n  .wonjo-wrap details summary::after, .wonjo-wrap-kr details summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: normal; color: #4a7c59; }\n  .wonjo-wrap details[open] summary::after, .wonjo-wrap-kr details[open] summary::after { content: '−'; }\n\n  \/* Content spacing — handles both direct-children variant AND \u003cdiv\u003e wrapper variant *\/\n  .wonjo-wrap details \u003e *:not(summary):not(hr), .wonjo-wrap-kr details \u003e *:not(summary):not(hr) { margin-bottom: 13px; }\n  .wonjo-wrap details \u003e *:last-child, .wonjo-wrap-kr details \u003e *:last-child { margin-bottom: 18px; }\n  .wonjo-wrap details \u003e div, .wonjo-wrap-kr details \u003e div { padding: 0 0 20px 0; }\n\n  \/* === SPEC GRID === *\/\n  .wonjo-wrap .spec-grid, .wonjo-wrap-kr .spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 16px 0; border: 1px solid #e8e8e4; border-radius: 4px; overflow: hidden; }\n  .wonjo-wrap .spec-item, .wonjo-wrap-kr .spec-item { padding: 10px 14px; border-bottom: 1px solid #e8e8e4; font-size: 14px; }\n  .wonjo-wrap .spec-item:nth-last-child(-n+2), .wonjo-wrap-kr .spec-item:nth-last-child(-n+2) { border-bottom: none; }\n  .wonjo-wrap .spec-label, .wonjo-wrap-kr .spec-label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; display: block; margin-bottom: 2px; font-weight: bold; }\n  .wonjo-wrap .spec-value, .wonjo-wrap-kr .spec-value { color: #2b2b2b; }\n\n  \/* === TIPS \/ WARNINGS === *\/\n  .wonjo-wrap .tip, .wonjo-wrap-kr .tip { background: #f4f8f5; border-left: 3px solid #4a7c59; padding: 12px 16px; font-size: 13.5px; color: #4a5a4a; margin: 14px 0; font-style: italic; }\n  .wonjo-wrap .tip-warn, .wonjo-wrap-kr .tip-warn { background: #fdf6e3; border-left: 3px solid #b8860b; padding: 12px 16px; font-size: 13.5px; color: #6e5828; margin: 14px 0; font-style: italic; }\n\n  \/* === BADGES === *\/\n  .wonjo-wrap .badge-row, .wonjo-wrap-kr .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px 0; }\n  .wonjo-wrap .badge, .wonjo-wrap-kr .badge { font-size: 11.5px; border: 1px solid #c2d8c9; background: #eef5f0; color: #3a6b48; border-radius: 3px; padding: 5px 11px; font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\n  \u003cp class=\"intro-subtitle\"\u003eOPI's iconic clear nail strengthener — the original Nail Envy that defines the brand's professional treatment line. Vegan 9-free formula with Tri-Flex Technology. 95% stronger nails in one week of consistent use.\u003c\/p\u003e\n\n  \u003cdetails open\u003e\n    \u003csummary\u003eAbout This Product\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e15 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003e9-Free\u003c\/span\u003e\u003cspan class=\"badge\"\u003eVegan\u003c\/span\u003e\u003cspan class=\"badge\"\u003eMade in USA\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eWeak nails\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003ePeeling\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eChipping\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSplitting\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eGel damage recovery\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSlow growth\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp\u003eNail Envy Original is the product that built OPI's treatment reputation. Launched in 1989, it remains the most-recommended at-home nail strengthener by US nail technicians. The current formulation — reformulated 2023 with Tri-Flex Technology — combines hydrolyzed wheat protein and calcium with biotin and vitamins A, C, and E to build measurable nail strength in seven days of consistent use.\u003c\/p\u003e\n\u003cp\u003eThe product works as both a standalone treatment and as a strengthening base coat under nail color. Apply two coats to bare nails, refresh with one coat daily, remove on day seven, repeat. The 95% strength improvement figure comes from OPI's in-house clinical testing with 108 consumers over a one-week protocol — a meaningful claim because the methodology is published, not marketing language.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eProduct Details\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNail Envy Original — Tri-Flex Technology\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eClear strengthening base coat \/ treatment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e15 mL \/ 0.5 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eWear Cycle\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e7 days (refresh daily, remove on day 7)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~6-8 weeks per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e9-free, vegan, cruelty-free\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStorage\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eCool, upright. Avoid direct sunlight.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eNail Envy Original combines two strengthening systems — a protein bonding complex and a vitamin nourishing complex — in a 9-free vegan formulation.\u003c\/p\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStrengthening Complex\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eHydrolyzed wheat protein, calcium, ProSina (proprietary protein matrix)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNourishing Actives\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eBiotin, vitamins A, C, and E\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eVegan Status\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNo animal-derived ingredients or by-products\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003e9-Free Formulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eFree of the 9 chemicals listed below\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eThis product is formulated WITHOUT:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n\u003cli\u003eFormaldehyde\u003c\/li\u003e\n\u003cli\u003eFormaldehyde resin\u003c\/li\u003e\n\u003cli\u003eToluene\u003c\/li\u003e\n\u003cli\u003eXylene\u003c\/li\u003e\n\u003cli\u003eDibutyl phthalate (DBP)\u003c\/li\u003e\n\u003cli\u003eCamphor\u003c\/li\u003e\n\u003cli\u003eParabens\u003c\/li\u003e\n\u003cli\u003eEthyl tosylamide\u003c\/li\u003e\n\u003cli\u003eTriphenyl phosphate (TPHP)\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003cdiv class=\"tip\"\u003eThe 9-free standard removes most of the chemicals historically flagged in nail polish health studies. For Korean shoppers who scrutinize ingredient lists, this is OPI's most rigorous formulation tier.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Use\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eStart with clean, dry, polish-free nails. Push back cuticles gently with an orange wood stick.\u003c\/li\u003e\n\u003cli\u003eApply 2 thin coats of Nail Envy to bare nails, allowing 60-90 seconds between coats.\u003c\/li\u003e\n\u003cli\u003eFor the next 6 days, apply 1 fresh coat daily on top of the existing layers — this is the \"building\" phase.\u003c\/li\u003e\n\u003cli\u003eOn day 7, remove all Nail Envy with OPI Expert Touch Lacquer Remover (or any acetone-based remover).\u003c\/li\u003e\n\u003cli\u003eRepeat the 7-day cycle continuously for ongoing maintenance.\u003c\/li\u003e\n\u003cli\u003eCan also be used as a strengthening base coat: apply 1 coat before your favorite OPI Nail Lacquer color.\u003c\/li\u003e\n\u003cli\u003ePair with daily cuticle oil application for a complete nail-health routine.\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"tip\"\u003eThe 7-day cycle is the key to results — don't skip the daily refresh, and don't extend beyond 7 days. Layering without removal causes peeling that defeats the strengthening effect. US nail technicians who specialize in gel-damage recovery typically pair Nail Envy with weekly cuticle oil treatment for clients whose nails have been weakened by frequent gel manicures.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eApply thin coats, not thick. Two thin coats build stronger layers than one thick one, and the bottle lasts noticeably longer. If the formula has thickened over time, OPI Nail Lacquer Thinner (NTT01) restores the consistency — never use water or remover to thin it.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003ePairs Well With\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eApply directly to\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eBare, polish-free nails. Nail Envy is a base treatment — not designed to layer over existing polish or gel.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eLayer with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eAny OPI Nail Lacquer color (Nail Envy doubles as a strengthening base coat under polish).\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eSeal with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Top Coat for classic gloss, Matte Top Coat for matte finish, Mirror Shine for high-shine, or RapiDry Top Coat for fast drying.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL) — acetone-based for clean removal.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003ePair daily with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil (14.8 mL dropper) at home, or the 7.3 mL To Go pen for purse\/work bag.\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eOPI Nail Envy is widely available in Korea, but the US version offers a specific advantage: formulation timing. US OPI typically releases reformulations 6-12 months before Korean distribution catches up, so the current Tri-Flex Technology vegan formula has been on US shelves longer than in Korean retail. For Korean shoppers who follow OPI launches closely, the US version is the way to access the newest formula first.\u003c\/p\u003e\n\u003cp\u003eThe 9-free, vegan formulation also resonates with Korean shoppers who research nail-care ingredient safety. Korean nail-care communities actively discuss formaldehyde-free and TPHP-free polishes — Nail Envy Original meets every standard cited in those conversations. For Korean shoppers recovering from gel manicure damage, the 7-day cycle has become a recommended at-home recovery protocol that requires a clean treatment formula like this one.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n    \u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Us\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The treatment line — Nail Envy, Repair Mode, Natural Nail Strengthener, and Start to Finish — has been a category-defining range for over three decades.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFAQ\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"faq-q\"\u003eQ: Is this the current Tri-Flex Technology vegan formula?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. The current Nail Envy Original uses Tri-Flex Technology with no animal-derived ingredients or by-products. This is the formulation OPI launched in 2023 and continues to ship today.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Will this work over gel polish?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eNail Envy is designed for bare natural nails, not over gel. For gel damage recovery, fully remove all gel first, then start the 7-day Nail Envy cycle on clean nails.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use this during pregnancy?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eThe 9-free formulation removes the chemicals most commonly flagged for pregnancy avoidance (formaldehyde, toluene, DBP, TPHP). Consult your doctor for personalized advice, but Nail Envy is significantly safer than older nail formulations.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Order\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45451638898735,"sku":"NTT80","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-nail-envy-original-nail-strenghtener-1a.png?v=1781133393"},{"product_id":"opi-repair-mode-bond-building-nail-serum","title":"OPI Repair Mode Bond Building Nail Serum — Treatment for Damaged Nails (9 mL, NT200)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.85; max-width: 720px; }\n  .wonjo-wrap-kr { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.95; max-width: 720px; }\n\n  \/* === COMMON TEXT === *\/\n  .wonjo-wrap p, .wonjo-wrap-kr p { margin: 0 0 13px 0; color: #3a3a3a; }\n  .wonjo-wrap ul, .wonjo-wrap-kr ul { margin: 0 0 13px 0; padding-left: 18px; color: #3a3a3a; }\n  .wonjo-wrap ul li, .wonjo-wrap-kr ul li { margin-bottom: 7px; }\n\n  \/* === HEADINGS — H2 (old protein template) === *\/\n  .wonjo-wrap h2 { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; margin: 36px 0 8px 0; }\n  .wonjo-wrap-kr h2 { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; margin: 36px 0 8px 0; }\n\n  \/* === HR SEPARATOR (under h2 + inside details) === *\/\n  .wonjo-wrap hr, .wonjo-wrap-kr hr,\n  .wonjo-wrap details hr, .wonjo-wrap-kr details hr { border: none; border-top: 1.5px solid #4a7c59; margin: 0 0 18px 0; }\n\n  \/* === DETAILS \/ SUMMARY (rounds 1-4 + LEGO) === *\/\n  .wonjo-wrap details, .wonjo-wrap-kr details { margin: 0; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap details:last-of-type, .wonjo-wrap-kr details:last-of-type { border-bottom: none; }\n\n  .wonjo-wrap details summary { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n  .wonjo-wrap-kr details summary { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n\n  .wonjo-wrap details summary::-webkit-details-marker, .wonjo-wrap-kr details summary::-webkit-details-marker { display: none; }\n  .wonjo-wrap details summary::after, .wonjo-wrap-kr details summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: normal; color: #4a7c59; }\n  .wonjo-wrap details[open] summary::after, .wonjo-wrap-kr details[open] summary::after { content: '−'; }\n\n  \/* Content spacing — handles both direct-children variant AND \u003cdiv\u003e wrapper variant *\/\n  .wonjo-wrap details \u003e *:not(summary):not(hr), .wonjo-wrap-kr details \u003e *:not(summary):not(hr) { margin-bottom: 13px; }\n  .wonjo-wrap details \u003e *:last-child, .wonjo-wrap-kr details \u003e *:last-child { margin-bottom: 18px; }\n  .wonjo-wrap details \u003e div, .wonjo-wrap-kr details \u003e div { padding: 0 0 20px 0; }\n\n  \/* === SPEC GRID === *\/\n  .wonjo-wrap .spec-grid, .wonjo-wrap-kr .spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 16px 0; border: 1px solid #e8e8e4; border-radius: 4px; overflow: hidden; }\n  .wonjo-wrap .spec-item, .wonjo-wrap-kr .spec-item { padding: 10px 14px; border-bottom: 1px solid #e8e8e4; font-size: 14px; }\n  .wonjo-wrap .spec-item:nth-last-child(-n+2), .wonjo-wrap-kr .spec-item:nth-last-child(-n+2) { border-bottom: none; }\n  .wonjo-wrap .spec-label, .wonjo-wrap-kr .spec-label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; display: block; margin-bottom: 2px; font-weight: bold; }\n  .wonjo-wrap .spec-value, .wonjo-wrap-kr .spec-value { color: #2b2b2b; }\n\n  \/* === TIPS \/ WARNINGS === *\/\n  .wonjo-wrap .tip, .wonjo-wrap-kr .tip { background: #f4f8f5; border-left: 3px solid #4a7c59; padding: 12px 16px; font-size: 13.5px; color: #4a5a4a; margin: 14px 0; font-style: italic; }\n  .wonjo-wrap .tip-warn, .wonjo-wrap-kr .tip-warn { background: #fdf6e3; border-left: 3px solid #b8860b; padding: 12px 16px; font-size: 13.5px; color: #6e5828; margin: 14px 0; font-style: italic; }\n\n  \/* === BADGES === *\/\n  .wonjo-wrap .badge-row, .wonjo-wrap-kr .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px 0; }\n  .wonjo-wrap .badge, .wonjo-wrap-kr .badge { font-size: 11.5px; border: 1px solid #c2d8c9; background: #eef5f0; color: #3a6b48; border-radius: 3px; padding: 5px 11px; font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\n  \u003cp class=\"intro-subtitle\"\u003eOPI's bond-building nail serum — a clinical-style treatment designed for nails recovering from gel manicure damage, acrylic removal, or repeated chipping. Apply as a pre-treatment under base coat or alone during nail rehab.\u003c\/p\u003e\n\n  \u003cdetails open\u003e\n    \u003csummary\u003eAbout This Product\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e9 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003eBond Building\u003c\/span\u003e\u003cspan class=\"badge\"\u003eGel Damage Recovery\u003c\/span\u003e\u003cspan class=\"badge\"\u003eMade in USA\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eGel damage\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eAcrylic removal recovery\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSevere peeling\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eChronic breakage\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eNail rebuilding\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp\u003eRepair Mode is OPI's response to the gel-damage problem — designed specifically for nails weakened by repeated gel manicures, acrylic removal, or aggressive nail filing. The formula uses keratin protein in a bond-building structure, working similarly in principle to how bond-builder hair products repair damaged hair: it penetrates into nail layers to rebuild integrity from inside the nail plate, rather than just coating the surface.\u003c\/p\u003e\n\u003cp\u003eBest used as a pre-treatment during a nail rehab phase — after removing all gel or acrylic, apply Repair Mode to bare nails 2-3 times weekly for 2-4 weeks before resuming any polish. Korean shoppers in gel-damage recovery typically pair Repair Mode with daily cuticle oil and a weekly Nail Envy Original 7-day cycle for comprehensive nail rebuilding.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eProduct Details\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eRepair Mode Bond Building Nail Serum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eClinical-style nail serum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e9 mL \/ 0.3 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eApplication Frequency\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e2-3× per week during recovery phase\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~3-4 months per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBest For\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003ePost-gel \/ post-acrylic nail recovery\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStorage\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eCool, upright. Avoid direct sunlight.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eRepair Mode uses bond-building technology centered on keratin protein — the same structural protein that nails are made of — to rebuild damaged nail layers from the inside.\u003c\/p\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003ePrimary Active\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eKeratin protein — same structural protein as natural nails\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eMechanism\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eBond-building — rebuilds damaged nail layers from inside\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBest For\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003ePost-gel, post-acrylic, severe peeling recovery\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eClear penetrating serum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Use\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eRemove any existing polish or gel completely. Bare nails are essential.\u003c\/li\u003e\n\u003cli\u003eStart with clean, dry nails. Push back cuticles gently with an orange wood stick.\u003c\/li\u003e\n\u003cli\u003eApply 1-2 thin coats of Repair Mode directly to bare nails.\u003c\/li\u003e\n\u003cli\u003eAllow to fully dry (60-90 seconds per coat).\u003c\/li\u003e\n\u003cli\u003eUse 2-3× per week for a 2-4 week nail recovery cycle.\u003c\/li\u003e\n\u003cli\u003eOnce nails feel rebuilt, transition to maintenance with Nail Envy Original or normal base coat.\u003c\/li\u003e\n\u003cli\u003eCan also be used continuously under regular base coat for ongoing protection.\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"tip\"\u003eThe bond-building action works over time — don't expect immediate visible strength. Most shoppers see meaningful improvement at the 2-3 week mark of consistent use.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eDuring serious gel damage recovery, layer Repair Mode under Nail Envy Original for the full OPI treatment system. Apply Repair Mode first, allow to dry, then start the Nail Envy 7-day cycle on top. The two products serve different mechanisms and complement each other.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003ePairs Well With\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eApply directly to\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eBare, polish-free nails (especially effective after gel or acrylic removal).\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eLayer with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eNail Envy Original on top for maximum strengthening, OR any OPI base coat for color manicures.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eSeal with (when used as base)\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Top Coat \/ Matte \/ Mirror Shine \/ RapiDry over color polish.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL).\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eDaily companion\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil — cuticle nourishment supports nail recovery.\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eRepair Mode is one of OPI's newer products and reaches the Korean market last among OPI's nail care line. Korean nail-care communities have actively requested this product since US launch — direct import is the main current access route.\u003c\/p\u003e\n\u003cp\u003eFor Korean shoppers who get frequent gel manicures (now standard in Korean nail salons), the gel-damage problem is real. Repair Mode addresses it specifically with science-forward bond-building. The 9 mL size is smaller than Nail Envy (15 mL) but designed for less-frequent use, so the bottle still lasts 3-4 months.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n    \u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Us\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The treatment line — Nail Envy, Repair Mode, Natural Nail Strengthener, and Start to Finish — has been a category-defining range for over three decades.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFAQ\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"faq-q\"\u003eQ: Is this the same as Nail Envy?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eDifferent positioning. Nail Envy is a strengthener cycle that builds layered protection on the nail surface. Repair Mode is a bond-building treatment that rebuilds the nail from inside. They work well together — Repair Mode first for recovery, Nail Envy after for maintenance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long until I see results?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eMost users notice meaningful nail strength change at 2-3 weeks of consistent use (2-3× weekly application). Severe damage may need 4-6 weeks.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use this if my nails aren't damaged?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes — it can also serve as a preventive treatment under regular base coat. But the primary value is rebuilding damaged nails, so healthy-nail shoppers may find Nail Envy alone is sufficient.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Order\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45451639455791,"sku":"NT200","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-repair-mode-bond-building-nail-serum-9ml-nt200-1.png?v=1781134380"},{"product_id":"opi-start-to-finish-3-in-1-treatment","title":"OPI Start to Finish 3-in-1 Treatment — Base Coat + Strengthener + Top Coat (15 mL, NTT71)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.85; max-width: 720px; }\n  .wonjo-wrap-kr { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.95; max-width: 720px; }\n\n  \/* === COMMON TEXT === *\/\n  .wonjo-wrap p, .wonjo-wrap-kr p { margin: 0 0 13px 0; color: #3a3a3a; }\n  .wonjo-wrap ul, .wonjo-wrap-kr ul { margin: 0 0 13px 0; padding-left: 18px; color: #3a3a3a; }\n  .wonjo-wrap ul li, .wonjo-wrap-kr ul li { margin-bottom: 7px; }\n\n  \/* === HEADINGS — H2 (old protein template) === *\/\n  .wonjo-wrap h2 { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; margin: 36px 0 8px 0; }\n  .wonjo-wrap-kr h2 { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; margin: 36px 0 8px 0; }\n\n  \/* === HR SEPARATOR (under h2 + inside details) === *\/\n  .wonjo-wrap hr, .wonjo-wrap-kr hr,\n  .wonjo-wrap details hr, .wonjo-wrap-kr details hr { border: none; border-top: 1.5px solid #4a7c59; margin: 0 0 18px 0; }\n\n  \/* === DETAILS \/ SUMMARY (rounds 1-4 + LEGO) === *\/\n  .wonjo-wrap details, .wonjo-wrap-kr details { margin: 0; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap details:last-of-type, .wonjo-wrap-kr details:last-of-type { border-bottom: none; }\n\n  .wonjo-wrap details summary { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n  .wonjo-wrap-kr details summary { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n\n  .wonjo-wrap details summary::-webkit-details-marker, .wonjo-wrap-kr details summary::-webkit-details-marker { display: none; }\n  .wonjo-wrap details summary::after, .wonjo-wrap-kr details summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: normal; color: #4a7c59; }\n  .wonjo-wrap details[open] summary::after, .wonjo-wrap-kr details[open] summary::after { content: '−'; }\n\n  \/* Content spacing — handles both direct-children variant AND \u003cdiv\u003e wrapper variant *\/\n  .wonjo-wrap details \u003e *:not(summary):not(hr), .wonjo-wrap-kr details \u003e *:not(summary):not(hr) { margin-bottom: 13px; }\n  .wonjo-wrap details \u003e *:last-child, .wonjo-wrap-kr details \u003e *:last-child { margin-bottom: 18px; }\n  .wonjo-wrap details \u003e div, .wonjo-wrap-kr details \u003e div { padding: 0 0 20px 0; }\n\n  \/* === SPEC GRID === *\/\n  .wonjo-wrap .spec-grid, .wonjo-wrap-kr .spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 16px 0; border: 1px solid #e8e8e4; border-radius: 4px; overflow: hidden; }\n  .wonjo-wrap .spec-item, .wonjo-wrap-kr .spec-item { padding: 10px 14px; border-bottom: 1px solid #e8e8e4; font-size: 14px; }\n  .wonjo-wrap .spec-item:nth-last-child(-n+2), .wonjo-wrap-kr .spec-item:nth-last-child(-n+2) { border-bottom: none; }\n  .wonjo-wrap .spec-label, .wonjo-wrap-kr .spec-label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; display: block; margin-bottom: 2px; font-weight: bold; }\n  .wonjo-wrap .spec-value, .wonjo-wrap-kr .spec-value { color: #2b2b2b; }\n\n  \/* === TIPS \/ WARNINGS === *\/\n  .wonjo-wrap .tip, .wonjo-wrap-kr .tip { background: #f4f8f5; border-left: 3px solid #4a7c59; padding: 12px 16px; font-size: 13.5px; color: #4a5a4a; margin: 14px 0; font-style: italic; }\n  .wonjo-wrap .tip-warn, .wonjo-wrap-kr .tip-warn { background: #fdf6e3; border-left: 3px solid #b8860b; padding: 12px 16px; font-size: 13.5px; color: #6e5828; margin: 14px 0; font-style: italic; }\n\n  \/* === BADGES === *\/\n  .wonjo-wrap .badge-row, .wonjo-wrap-kr .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px 0; }\n  .wonjo-wrap .badge, .wonjo-wrap-kr .badge { font-size: 11.5px; border: 1px solid #c2d8c9; background: #eef5f0; color: #3a6b48; border-radius: 3px; padding: 5px 11px; font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\u003cp class=\"intro-subtitle\"\u003eOPI's 3-in-1 formaldehyde-free formula — base coat, nail strengthener, and top coat in a single bottle. For shoppers who want the simplest possible nail care routine: one bottle, one formula, full manicure structure.\u003c\/p\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eAbout This Product\u003c\/summary\u003e\n\u003chr\u003e\n\u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e15 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003eFormaldehyde-Free\u003c\/span\u003e\u003cspan class=\"badge\"\u003e3-in-1\u003c\/span\u003e\u003cspan class=\"badge\"\u003eMade in USA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eLimited shelf space\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eTravel use\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSimple routine\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eWeak nails\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eStart to Finish is OPI's convenience-focused 3-in-1 — base coat, nail strengthener, and top coat in a single formula. The formaldehyde-free version (NTT71) replaced the older formaldehyde-based formula in OPI's lineup and is now the standard. One bottle, applied as base before color and as top after color, delivers the full manicure layer structure without juggling multiple bottles.\u003c\/p\u003e\n\u003cp\u003eBest for shoppers who want simple nail care over comprehensive nail care — frequent travelers, occasional manicurists, or anyone with limited shelf space. The trade-off vs separate products: a dedicated base coat (like Natural Nail Strengthener) plus dedicated top coat (like OPI Top Coat) generally outperforms an all-in-one on both ends, but Start to Finish wins on convenience and bottle count.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eProduct Details\u003c\/summary\u003e\n\u003chr\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eStart to Finish (Formaldehyde-Free 3-in-1)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eAll-in-one base coat \/ strengthener \/ top coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e15 mL \/ 0.5 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eApplication\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e1 coat before color (base), 1 coat after color (top)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~3-4 months per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eFormaldehyde-free\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStorage\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eCool, upright. Avoid direct sunlight.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n\u003chr\u003e\n\u003cp\u003eStart to Finish combines a strengthening complex with adhesion-promoting and high-gloss finishing properties in one formula — the key differentiator from older OPI Start to Finish (NTT70) is that NTT71 is formaldehyde-free.\u003c\/p\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003ePrimary Function\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e3-in-1: base coat + strengthener + top coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eKey Differentiator\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eFormaldehyde-FREE (vs older NTT70 formaldehyde formula)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStrengthening Complex\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eProprietary nail-conditioning blend\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFinish\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eHigh-gloss top coat finish\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eHow to Use\u003c\/summary\u003e\n\u003chr\u003e\n\u003col class=\"steps\"\u003e\n\u003cli\u003eStart with clean, dry, polish-free nails. Push back cuticles gently.\u003c\/li\u003e\n\u003cli\u003eApply 1 thin coat of Start to Finish as a base coat directly to bare nails.\u003c\/li\u003e\n\u003cli\u003eAllow 60-90 seconds to dry.\u003c\/li\u003e\n\u003cli\u003eApply 2 thin coats of your favorite OPI Nail Lacquer color, allowing each to dry.\u003c\/li\u003e\n\u003cli\u003eAllow color to fully dry (3-5 minutes).\u003c\/li\u003e\n\u003cli\u003eApply 1 more coat of Start to Finish as a top coat over the color.\u003c\/li\u003e\n\u003cli\u003eAllow to fully dry for a complete manicure.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n\u003chr\u003e\n\u003cdiv class=\"tip\"\u003eUse thinner coats than you would with separate base and top coats — Start to Finish builds up quickly because the same formula serves as base and top, and thick applications can cause clumping at the cuticle line.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eGreat for travel: one bottle replaces three. For at-home use where you have shelf space and want maximum performance, separate products (Natural Nail Strengthener as base + dedicated top coat) generally give better results. Start to Finish is the convenience option, not the maximum-performance option.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003ePairs Well With\u003c\/summary\u003e\n\u003chr\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eUse as base AND top with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eAny OPI Nail Lacquer color — same bottle serves both ends of the manicure.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eCan pair under with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eRepair Mode (apply Repair Mode first, then Start to Finish as base, then color).\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eOptional layer over\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eNail Envy Original (use Nail Envy as treatment, Start to Finish as quick base + top when adding color).\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL).\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eDaily companion\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil for cuticle care.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n\u003chr\u003e\n\u003cp\u003eStart to Finish is a niche choice — most serious nail-care shoppers prefer separate base\/strengthener\/top products for better results. But for Korean shoppers wanting a simple, low-maintenance approach (or for travel), the 3-in-1 is meaningfully more convenient than juggling three bottles.\u003c\/p\u003e\n\u003cp\u003eThe formaldehyde-free reformulation matters for Korean shoppers who scrutinize nail product ingredients. Older OPI Start to Finish (NTT70) contained formaldehyde — the current NTT71 doesn't. This product was specifically reformulated to eliminate the most-flagged chemical in nail polish health discussions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eShipping\u003c\/summary\u003e\n\u003chr\u003e\n\u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n\u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n\u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n\u003chr\u003e\n\u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n\u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAbout Us\u003c\/summary\u003e\n\u003chr\u003e\n\u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The treatment line — Nail Envy, Repair Mode, Natural Nail Strengthener, and Start to Finish — has been a category-defining range for over three decades.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eFAQ\u003c\/summary\u003e\n\u003chr\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this really 3-in-1?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes — same formula serves as base coat (under color) and top coat (over color), with strengthening properties built in. Reduces bottle count without sacrificing the layer structure.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this as effective as separate products?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eFor most users, separate products (base coat + strengthener + top coat) outperform 3-in-1 on each individual function. Start to Finish is the convenience option, not the maximum-performance option.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this formaldehyde-free?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes — the current NTT71 formula is formaldehyde-free. The older NTT70 contained formaldehyde and has been replaced by this newer formulation. If your bottle says NTT71, it's the formaldehyde-free version.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow to Order\u003c\/summary\u003e\n\u003chr\u003e\n\u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45451639521327,"sku":"NTT71","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-start-to-finish-3-in-1-treatment-base-coat-strengthener-top-coat-15ml-ntt71-1.png?v=1781134846"},{"product_id":"opi-nail-envy-double-nude-y-nail-strengthener","title":"OPI Nail Envy Double Nude-Y Nail Strengthener — Sheer Nude Strengthening Treatment (15 mL, NT228)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.85; max-width: 720px; }\n  .wonjo-wrap-kr { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.95; max-width: 720px; }\n\n  \/* === COMMON TEXT === *\/\n  .wonjo-wrap p, .wonjo-wrap-kr p { margin: 0 0 13px 0; color: #3a3a3a; }\n  .wonjo-wrap ul, .wonjo-wrap-kr ul { margin: 0 0 13px 0; padding-left: 18px; color: #3a3a3a; }\n  .wonjo-wrap ul li, .wonjo-wrap-kr ul li { margin-bottom: 7px; }\n\n  \/* === HEADINGS — H2 (old protein template) === *\/\n  .wonjo-wrap h2 { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; margin: 36px 0 8px 0; }\n  .wonjo-wrap-kr h2 { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; margin: 36px 0 8px 0; }\n\n  \/* === HR SEPARATOR (under h2 + inside details) === *\/\n  .wonjo-wrap hr, .wonjo-wrap-kr hr,\n  .wonjo-wrap details hr, .wonjo-wrap-kr details hr { border: none; border-top: 1.5px solid #4a7c59; margin: 0 0 18px 0; }\n\n  \/* === DETAILS \/ SUMMARY (rounds 1-4 + LEGO) === *\/\n  .wonjo-wrap details, .wonjo-wrap-kr details { margin: 0; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap details:last-of-type, .wonjo-wrap-kr details:last-of-type { border-bottom: none; }\n\n  .wonjo-wrap details summary { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n  .wonjo-wrap-kr details summary { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n\n  .wonjo-wrap details summary::-webkit-details-marker, .wonjo-wrap-kr details summary::-webkit-details-marker { display: none; }\n  .wonjo-wrap details summary::after, .wonjo-wrap-kr details summary::after { content: '+'; position: absolute; right: 0; 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font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\n  \u003cp class=\"intro-subtitle\"\u003eOPI Nail Envy in Double Nude-Y — the iconic clear-formula strengthener with a soft beige-nude undertone. Vegan 9-free Tri-Flex Technology, same 95% stronger nails in 7 days as Nail Envy Original, with subtle color built in.\u003c\/p\u003e\n\n  \u003cdetails open\u003e\n    \u003csummary\u003eAbout This Product\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e15 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003e9-Free\u003c\/span\u003e\u003cspan class=\"badge\"\u003eVegan\u003c\/span\u003e\u003cspan class=\"badge\"\u003eTinted Treatment\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eWeak nails\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003ePeeling\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eChipping\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSplitting\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eGel damage recovery\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSubtle color\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp\u003eThis is OPI Nail Envy Original — the iconic strengthening treatment that built OPI's reputation — in a Sheer Nude sheer tint. Same Tri-Flex Technology formula reformulated in 2023 to be vegan and 9-free. Same hydrolyzed wheat protein + calcium + biotin + vitamins A, C, and E. Same 7-day building cycle for measurable nail strength improvement. The only difference is the addition of a soft beige-nude undertone as a sheer cosmetic tint while the treatment works.\u003c\/p\u003e\n\u003cp\u003eFor shoppers who want the most natural-looking finish — color so subtle it reads almost like a healthy bare nail. Buildable — 1 coat gives a hint of color, 2-3 coats gives a more visible tint. Use as a standalone treatment with subtle color, OR as a strengthening base under a regular OPI Nail Lacquer color when you want fuller coverage.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eProduct Details\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNail Envy Strength + Color (Tri-Flex Technology)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer-tinted strengthening base coat \/ treatment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e15 mL \/ 0.5 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eColor Tint\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer Nude — sheer, buildable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eWear Cycle\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e7 days (refresh daily, remove on day 7)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~6-8 weeks per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e9-free, vegan, cruelty-free\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eNail Envy combines two strengthening systems — a protein bonding complex and a vitamin nourishing complex — in a 9-free vegan formulation. All Strength + Color variants share the same active ingredients as Nail Envy Original; only the cosmetic sheer-color additives differ.\u003c\/p\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStrengthening Complex\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eHydrolyzed wheat protein, calcium, ProSina (proprietary protein matrix)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNourishing Actives\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eBiotin, vitamins A, C, and E\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eVegan Status\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNo animal-derived ingredients or by-products\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003e9-Free Formulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eFree of the 9 chemicals listed below\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eThis product is formulated WITHOUT:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n\u003cli\u003eFormaldehyde\u003c\/li\u003e\n\u003cli\u003eFormaldehyde resin\u003c\/li\u003e\n\u003cli\u003eToluene\u003c\/li\u003e\n\u003cli\u003eXylene\u003c\/li\u003e\n\u003cli\u003eDibutyl phthalate (DBP)\u003c\/li\u003e\n\u003cli\u003eCamphor\u003c\/li\u003e\n\u003cli\u003eParabens\u003c\/li\u003e\n\u003cli\u003eEthyl tosylamide\u003c\/li\u003e\n\u003cli\u003eTriphenyl phosphate (TPHP)\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003cdiv class=\"tip\"\u003eThe 9-free standard removes most of the chemicals historically flagged in nail polish health studies. For Korean shoppers who scrutinize ingredient lists, this is OPI's most rigorous formulation tier — same chemistry as Nail Envy Original, with just a sheer cosmetic tint added.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Use\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eStart with clean, dry, polish-free nails. Push back cuticles gently with an orange wood stick.\u003c\/li\u003e\n\u003cli\u003eApply 2 thin coats to bare nails, allowing 60-90 seconds between coats. The color is sheer and buildable — more coats give more visible tint.\u003c\/li\u003e\n\u003cli\u003eFor the next 6 days, apply 1 fresh coat daily on top of the existing layers — this is the \"building\" phase.\u003c\/li\u003e\n\u003cli\u003eOn day 7, remove with OPI Expert Touch Lacquer Remover (or any acetone-based remover).\u003c\/li\u003e\n\u003cli\u003eRepeat the 7-day cycle continuously for ongoing maintenance and color refresh.\u003c\/li\u003e\n\u003cli\u003eCan also be used as a tinted strengthening base under a regular OPI Nail Lacquer color when you want fuller opacity.\u003c\/li\u003e\n\u003cli\u003ePair with daily cuticle oil application for a complete nail-health routine.\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"tip\"\u003eThe 7-day cycle is the key to results — don't skip the daily refresh, and don't extend beyond 7 days. Layering without removal causes peeling that defeats the strengthening effect. Same protocol as Nail Envy Original.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eApply thin coats, not thick. Two thin coats build stronger layers than one thick one. If the formula has thickened over time, OPI Nail Lacquer Thinner (NTT01) restores the consistency — never use water or remover to thin it.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eDouble Nude-Y is the most barely-there color in the Nail Envy line. 2-3 coats gives the cleanest \"healthy nail\" look possible while still delivering the full Nail Envy strengthening cycle. Works for office, work, school environments where bright color isn't practical.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003ePairs Well With\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eApply directly to\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eBare, polish-free nails. Like all Nail Envy treatments, designed for bare natural nails — not over polish or gel.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eUse alone for\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eSheer Nude sheer color + strengthening treatment in one product.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eLayer with (fuller color)\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eAny regular OPI Nail Lacquer color on top for full opacity. The Nail Envy variant doubles as a strengthening base coat.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eSeal with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Top Coat for classic gloss, Matte Top Coat for matte, Mirror Shine for high-shine, or RapiDry Top Coat for fast drying.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL) — acetone-based for clean removal.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003ePair daily with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil (14.8 mL dropper at home, 7.3 mL To Go pen for purse\/work bag).\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eOPI Nail Envy Strength + Color is widely available in Korea, but the Double Nude-Y variant specifically isn't always carried by Korean OPI distributors — the colored variants rotate in and out of Korean retail availability, while US distribution keeps the full line in stock. For Korean shoppers wanting a specific shade like Double Nude-Y, direct import is often the most reliable route.\u003c\/p\u003e\n\u003cp\u003eThe 9-free, vegan formulation resonates with Korean shoppers who research nail-care ingredient safety. The Strength + Color line gets the same chemistry treatment as Nail Envy Original — only the sheer color additive differs. For shoppers who want both the strengthening protocol and a subtle wearable color, Double Nude-Y delivers a soft beige-nude undertone without compromising on the treatment formula.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n    \u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Us\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The Nail Envy Strength + Color line — colored variants of the original Nail Envy treatment — has been a category-defining product for shoppers wanting both nail strengthening and subtle color.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFAQ\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"faq-q\"\u003eQ: Is this the current Tri-Flex Technology vegan formula?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. All current Nail Envy variants (Original and Strength + Color) use the 2023 Tri-Flex Technology reformulation with no animal-derived ingredients.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Will this work over gel polish?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eNo — Nail Envy is designed for bare natural nails, not over gel. For gel damage recovery, fully remove all gel first, then start the 7-day cycle on clean nails.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use this during pregnancy?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eThe 9-free formulation removes the chemicals most commonly flagged for pregnancy avoidance (formaldehyde, toluene, DBP, TPHP). Consult your doctor for personalized advice.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How visible is the Double Nude-Y color?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eVery subtle. Double Nude-Y is the most barely-there shade in the Strength + Color line — at 1 coat the color is nearly invisible; at 3 coats it adds a soft beige-nude warmth without ever looking \"painted.\" Great for natural-look preferences.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Order\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45452064751663,"sku":"NT228","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-nail-envy-double-nude-y-nail-strengthener-1.png?v=1781133604"},{"product_id":"opi-nail-envy-pink-to-envy-nail-strengthener","title":"OPI Nail Envy Pink to Envy Nail Strengthener — Sheer Pink Nude Strengthening Treatment (15 mL, NT223)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; 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top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: normal; color: #4a7c59; }\n  .wonjo-wrap details[open] summary::after, .wonjo-wrap-kr details[open] summary::after { content: '−'; }\n\n  \/* Content spacing — handles both direct-children variant AND \u003cdiv\u003e wrapper variant *\/\n  .wonjo-wrap details \u003e *:not(summary):not(hr), .wonjo-wrap-kr details \u003e *:not(summary):not(hr) { margin-bottom: 13px; }\n  .wonjo-wrap details \u003e *:last-child, .wonjo-wrap-kr details \u003e *:last-child { margin-bottom: 18px; }\n  .wonjo-wrap details \u003e div, .wonjo-wrap-kr details \u003e div { padding: 0 0 20px 0; }\n\n  \/* === SPEC GRID === *\/\n  .wonjo-wrap .spec-grid, .wonjo-wrap-kr .spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 16px 0; border: 1px solid #e8e8e4; border-radius: 4px; overflow: hidden; }\n  .wonjo-wrap .spec-item, .wonjo-wrap-kr .spec-item { padding: 10px 14px; border-bottom: 1px solid #e8e8e4; font-size: 14px; }\n  .wonjo-wrap .spec-item:nth-last-child(-n+2), .wonjo-wrap-kr .spec-item:nth-last-child(-n+2) { border-bottom: none; }\n  .wonjo-wrap .spec-label, .wonjo-wrap-kr .spec-label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; display: block; margin-bottom: 2px; font-weight: bold; }\n  .wonjo-wrap .spec-value, .wonjo-wrap-kr .spec-value { color: #2b2b2b; }\n\n  \/* === TIPS \/ WARNINGS === *\/\n  .wonjo-wrap .tip, .wonjo-wrap-kr .tip { background: #f4f8f5; border-left: 3px solid #4a7c59; padding: 12px 16px; font-size: 13.5px; color: #4a5a4a; margin: 14px 0; font-style: italic; }\n  .wonjo-wrap .tip-warn, .wonjo-wrap-kr .tip-warn { background: #fdf6e3; border-left: 3px solid #b8860b; padding: 12px 16px; font-size: 13.5px; color: #6e5828; margin: 14px 0; font-style: italic; }\n\n  \/* === BADGES === *\/\n  .wonjo-wrap .badge-row, .wonjo-wrap-kr .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px 0; }\n  .wonjo-wrap .badge, .wonjo-wrap-kr .badge { font-size: 11.5px; border: 1px solid #c2d8c9; background: #eef5f0; color: #3a6b48; border-radius: 3px; padding: 5px 11px; font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\n  \u003cp class=\"intro-subtitle\"\u003eOPI Nail Envy in Pink to Envy — the iconic clear-formula strengthener with a warm pink-nude blush. Vegan 9-free Tri-Flex Technology, same 95% stronger nails in 7 days as Nail Envy Original, with subtle color built in.\u003c\/p\u003e\n\n  \u003cdetails open\u003e\n    \u003csummary\u003eAbout This Product\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e15 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003e9-Free\u003c\/span\u003e\u003cspan class=\"badge\"\u003eVegan\u003c\/span\u003e\u003cspan class=\"badge\"\u003eTinted Treatment\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eWeak nails\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003ePeeling\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eChipping\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSplitting\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eGel damage recovery\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSubtle color\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp\u003eThis is OPI Nail Envy Original — the iconic strengthening treatment that built OPI's reputation — in a Sheer Pink Nude sheer tint. Same Tri-Flex Technology formula reformulated in 2023 to be vegan and 9-free. Same hydrolyzed wheat protein + calcium + biotin + vitamins A, C, and E. Same 7-day building cycle for measurable nail strength improvement. The only difference is the addition of a warm pink-nude blush as a sheer cosmetic tint while the treatment works.\u003c\/p\u003e\n\u003cp\u003eFor shoppers who want a touch more pink warmth than pure nude but still understated — between Double Nude-Y and Bubble Bath on the color spectrum. Buildable — 1 coat gives a hint of color, 2-3 coats gives a more visible tint. Use as a standalone treatment with subtle color, OR as a strengthening base under a regular OPI Nail Lacquer color when you want fuller coverage.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eProduct Details\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNail Envy Strength + Color (Tri-Flex Technology)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer-tinted strengthening base coat \/ treatment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e15 mL \/ 0.5 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eColor Tint\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer Pink Nude — sheer, buildable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eWear Cycle\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e7 days (refresh daily, remove on day 7)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~6-8 weeks per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e9-free, vegan, cruelty-free\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eNail Envy combines two strengthening systems — a protein bonding complex and a vitamin nourishing complex — in a 9-free vegan formulation. All Strength + Color variants share the same active ingredients as Nail Envy Original; only the cosmetic sheer-color additives differ.\u003c\/p\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStrengthening Complex\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eHydrolyzed wheat protein, calcium, ProSina (proprietary protein matrix)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNourishing Actives\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eBiotin, vitamins A, C, and E\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eVegan Status\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNo animal-derived ingredients or by-products\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003e9-Free Formulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eFree of the 9 chemicals listed below\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eThis product is formulated WITHOUT:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n\u003cli\u003eFormaldehyde\u003c\/li\u003e\n\u003cli\u003eFormaldehyde resin\u003c\/li\u003e\n\u003cli\u003eToluene\u003c\/li\u003e\n\u003cli\u003eXylene\u003c\/li\u003e\n\u003cli\u003eDibutyl phthalate (DBP)\u003c\/li\u003e\n\u003cli\u003eCamphor\u003c\/li\u003e\n\u003cli\u003eParabens\u003c\/li\u003e\n\u003cli\u003eEthyl tosylamide\u003c\/li\u003e\n\u003cli\u003eTriphenyl phosphate (TPHP)\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003cdiv class=\"tip\"\u003eThe 9-free standard removes most of the chemicals historically flagged in nail polish health studies. For Korean shoppers who scrutinize ingredient lists, this is OPI's most rigorous formulation tier — same chemistry as Nail Envy Original, with just a sheer cosmetic tint added.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Use\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eStart with clean, dry, polish-free nails. Push back cuticles gently with an orange wood stick.\u003c\/li\u003e\n\u003cli\u003eApply 2 thin coats to bare nails, allowing 60-90 seconds between coats. The color is sheer and buildable — more coats give more visible tint.\u003c\/li\u003e\n\u003cli\u003eFor the next 6 days, apply 1 fresh coat daily on top of the existing layers — this is the \"building\" phase.\u003c\/li\u003e\n\u003cli\u003eOn day 7, remove with OPI Expert Touch Lacquer Remover (or any acetone-based remover).\u003c\/li\u003e\n\u003cli\u003eRepeat the 7-day cycle continuously for ongoing maintenance and color refresh.\u003c\/li\u003e\n\u003cli\u003eCan also be used as a tinted strengthening base under a regular OPI Nail Lacquer color when you want fuller opacity.\u003c\/li\u003e\n\u003cli\u003ePair with daily cuticle oil application for a complete nail-health routine.\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"tip\"\u003eThe 7-day cycle is the key to results — don't skip the daily refresh, and don't extend beyond 7 days. Layering without removal causes peeling that defeats the strengthening effect. Same protocol as Nail Envy Original.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eApply thin coats, not thick. Two thin coats build stronger layers than one thick one. If the formula has thickened over time, OPI Nail Lacquer Thinner (NTT01) restores the consistency — never use water or remover to thin it.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003ePink to Envy is the warm-toned middle ground in the line. If Double Nude-Y feels too pale and Powerful Pink feels too saturated, this is the in-between option. 2-3 coats gives a flattering \"healthy flush\" effect.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003ePairs Well With\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eApply directly to\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eBare, polish-free nails. Like all Nail Envy treatments, designed for bare natural nails — not over polish or gel.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eUse alone for\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eSheer Pink Nude sheer color + strengthening treatment in one product.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eLayer with (fuller color)\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eAny regular OPI Nail Lacquer color on top for full opacity. The Nail Envy variant doubles as a strengthening base coat.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eSeal with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Top Coat for classic gloss, Matte Top Coat for matte, Mirror Shine for high-shine, or RapiDry Top Coat for fast drying.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL) — acetone-based for clean removal.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003ePair daily with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil (14.8 mL dropper at home, 7.3 mL To Go pen for purse\/work bag).\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eOPI Nail Envy Strength + Color is widely available in Korea, but the Pink to Envy variant specifically isn't always carried by Korean OPI distributors — the colored variants rotate in and out of Korean retail availability, while US distribution keeps the full line in stock. For Korean shoppers wanting a specific shade like Pink to Envy, direct import is often the most reliable route.\u003c\/p\u003e\n\u003cp\u003eThe 9-free, vegan formulation resonates with Korean shoppers who research nail-care ingredient safety. The Strength + Color line gets the same chemistry treatment as Nail Envy Original — only the sheer color additive differs. For shoppers who want both the strengthening protocol and a subtle wearable color, Pink to Envy delivers a warm pink-nude blush without compromising on the treatment formula.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n    \u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Us\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The Nail Envy Strength + Color line — colored variants of the original Nail Envy treatment — has been a category-defining product for shoppers wanting both nail strengthening and subtle color.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFAQ\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"faq-q\"\u003eQ: Is this the current Tri-Flex Technology vegan formula?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. All current Nail Envy variants (Original and Strength + Color) use the 2023 Tri-Flex Technology reformulation with no animal-derived ingredients.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Will this work over gel polish?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eNo — Nail Envy is designed for bare natural nails, not over gel. For gel damage recovery, fully remove all gel first, then start the 7-day cycle on clean nails.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use this during pregnancy?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eThe 9-free formulation removes the chemicals most commonly flagged for pregnancy avoidance (formaldehyde, toluene, DBP, TPHP). Consult your doctor for personalized advice.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How does Pink to Envy compare to Bubble Bath?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003ePink to Envy has a warmer (slightly peachier) undertone than Bubble Bath, which is cooler and more pale-pink. If your skin reads warm-toned, Pink to Envy is more flattering; if cool-toned, Bubble Bath. Both are sheer enough that the difference is subtle.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Order\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45452065079343,"sku":"NT223","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-nail-envy-pink-to-envy-nail-strengthener-1.png?v=1781133193"},{"product_id":"opi-nail-envy-bubble-bath-nail-strengthener","title":"OPI Nail Envy Bubble Bath Nail Strengthener — Sheer Pale Pink Strengthening Treatment (15 mL, NT222)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.85; max-width: 720px; }\n  .wonjo-wrap-kr { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.95; max-width: 720px; }\n\n  \/* === COMMON TEXT === *\/\n  .wonjo-wrap p, .wonjo-wrap-kr p { margin: 0 0 13px 0; color: #3a3a3a; }\n  .wonjo-wrap ul, .wonjo-wrap-kr ul { margin: 0 0 13px 0; padding-left: 18px; color: #3a3a3a; }\n  .wonjo-wrap ul li, .wonjo-wrap-kr ul li { margin-bottom: 7px; }\n\n  \/* === HEADINGS — H2 (old protein template) === *\/\n  .wonjo-wrap h2 { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; margin: 36px 0 8px 0; }\n  .wonjo-wrap-kr h2 { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; margin: 36px 0 8px 0; }\n\n  \/* === HR SEPARATOR (under h2 + inside details) === *\/\n  .wonjo-wrap hr, .wonjo-wrap-kr hr,\n  .wonjo-wrap details hr, .wonjo-wrap-kr details hr { border: none; border-top: 1.5px solid #4a7c59; margin: 0 0 18px 0; }\n\n  \/* === DETAILS \/ SUMMARY (rounds 1-4 + LEGO) === *\/\n  .wonjo-wrap details, .wonjo-wrap-kr details { margin: 0; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap details:last-of-type, .wonjo-wrap-kr details:last-of-type { border-bottom: none; }\n\n  .wonjo-wrap details summary { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n  .wonjo-wrap-kr details summary { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n\n  .wonjo-wrap details summary::-webkit-details-marker, .wonjo-wrap-kr details summary::-webkit-details-marker { display: none; }\n  .wonjo-wrap details summary::after, .wonjo-wrap-kr details summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: normal; color: #4a7c59; }\n  .wonjo-wrap details[open] summary::after, .wonjo-wrap-kr details[open] summary::after { content: '−'; }\n\n  \/* Content spacing — handles both direct-children variant AND \u003cdiv\u003e wrapper variant *\/\n  .wonjo-wrap details \u003e *:not(summary):not(hr), .wonjo-wrap-kr details \u003e *:not(summary):not(hr) { margin-bottom: 13px; }\n  .wonjo-wrap details \u003e *:last-child, .wonjo-wrap-kr details \u003e *:last-child { margin-bottom: 18px; }\n  .wonjo-wrap details \u003e div, .wonjo-wrap-kr details \u003e div { padding: 0 0 20px 0; }\n\n  \/* === SPEC GRID === *\/\n  .wonjo-wrap .spec-grid, .wonjo-wrap-kr .spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 16px 0; border: 1px solid #e8e8e4; border-radius: 4px; overflow: hidden; }\n  .wonjo-wrap .spec-item, .wonjo-wrap-kr .spec-item { padding: 10px 14px; border-bottom: 1px solid #e8e8e4; font-size: 14px; }\n  .wonjo-wrap .spec-item:nth-last-child(-n+2), .wonjo-wrap-kr .spec-item:nth-last-child(-n+2) { border-bottom: none; }\n  .wonjo-wrap .spec-label, .wonjo-wrap-kr .spec-label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; display: block; margin-bottom: 2px; font-weight: bold; }\n  .wonjo-wrap .spec-value, .wonjo-wrap-kr .spec-value { color: #2b2b2b; }\n\n  \/* === TIPS \/ WARNINGS === *\/\n  .wonjo-wrap .tip, .wonjo-wrap-kr .tip { background: #f4f8f5; border-left: 3px solid #4a7c59; padding: 12px 16px; font-size: 13.5px; color: #4a5a4a; margin: 14px 0; font-style: italic; }\n  .wonjo-wrap .tip-warn, .wonjo-wrap-kr .tip-warn { background: #fdf6e3; border-left: 3px solid #b8860b; padding: 12px 16px; font-size: 13.5px; color: #6e5828; margin: 14px 0; font-style: italic; }\n\n  \/* === BADGES === *\/\n  .wonjo-wrap .badge-row, .wonjo-wrap-kr .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px 0; }\n  .wonjo-wrap .badge, .wonjo-wrap-kr .badge { font-size: 11.5px; border: 1px solid #c2d8c9; background: #eef5f0; color: #3a6b48; border-radius: 3px; padding: 5px 11px; font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\n  \u003cp class=\"intro-subtitle\"\u003eOPI Nail Envy in Bubble Bath — the iconic clear-formula strengthener with a soft cool pink, the same iconic shade as the Bubble Bath Nail Lacquer color. Vegan 9-free Tri-Flex Technology, same 95% stronger nails in 7 days as Nail Envy Original, with subtle color built in.\u003c\/p\u003e\n\n  \u003cdetails open\u003e\n    \u003csummary\u003eAbout This Product\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e15 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003e9-Free\u003c\/span\u003e\u003cspan class=\"badge\"\u003eVegan\u003c\/span\u003e\u003cspan class=\"badge\"\u003eTinted Treatment\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eWeak nails\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003ePeeling\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eChipping\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSplitting\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eGel damage recovery\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSubtle color\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp\u003eThis is OPI Nail Envy Original — the iconic strengthening treatment that built OPI's reputation — in a Sheer Pale Pink sheer tint. Same Tri-Flex Technology formula reformulated in 2023 to be vegan and 9-free. Same hydrolyzed wheat protein + calcium + biotin + vitamins A, C, and E. Same 7-day building cycle for measurable nail strength improvement. The only difference is the addition of a soft cool pink, the same iconic shade as the Bubble Bath Nail Lacquer color as a sheer cosmetic tint while the treatment works.\u003c\/p\u003e\n\u003cp\u003eFor shoppers who love the iconic Bubble Bath Nail Lacquer color and want it as a strengthening treatment instead of a regular polish. Buildable — 1 coat gives a hint of color, 2-3 coats gives a more visible tint. Use as a standalone treatment with subtle color, OR as a strengthening base under a regular OPI Nail Lacquer color when you want fuller coverage.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eProduct Details\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNail Envy Strength + Color (Tri-Flex Technology)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer-tinted strengthening base coat \/ treatment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e15 mL \/ 0.5 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eColor Tint\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer Pale Pink — sheer, buildable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eWear Cycle\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e7 days (refresh daily, remove on day 7)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~6-8 weeks per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e9-free, vegan, cruelty-free\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eNail Envy combines two strengthening systems — a protein bonding complex and a vitamin nourishing complex — in a 9-free vegan formulation. All Strength + Color variants share the same active ingredients as Nail Envy Original; only the cosmetic sheer-color additives differ.\u003c\/p\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStrengthening Complex\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eHydrolyzed wheat protein, calcium, ProSina (proprietary protein matrix)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNourishing Actives\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eBiotin, vitamins A, C, and E\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eVegan Status\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNo animal-derived ingredients or by-products\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003e9-Free Formulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eFree of the 9 chemicals listed below\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eThis product is formulated WITHOUT:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n\u003cli\u003eFormaldehyde\u003c\/li\u003e\n\u003cli\u003eFormaldehyde resin\u003c\/li\u003e\n\u003cli\u003eToluene\u003c\/li\u003e\n\u003cli\u003eXylene\u003c\/li\u003e\n\u003cli\u003eDibutyl phthalate (DBP)\u003c\/li\u003e\n\u003cli\u003eCamphor\u003c\/li\u003e\n\u003cli\u003eParabens\u003c\/li\u003e\n\u003cli\u003eEthyl tosylamide\u003c\/li\u003e\n\u003cli\u003eTriphenyl phosphate (TPHP)\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003cdiv class=\"tip\"\u003eThe 9-free standard removes most of the chemicals historically flagged in nail polish health studies. For Korean shoppers who scrutinize ingredient lists, this is OPI's most rigorous formulation tier — same chemistry as Nail Envy Original, with just a sheer cosmetic tint added.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Use\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eStart with clean, dry, polish-free nails. Push back cuticles gently with an orange wood stick.\u003c\/li\u003e\n\u003cli\u003eApply 2 thin coats to bare nails, allowing 60-90 seconds between coats. The color is sheer and buildable — more coats give more visible tint.\u003c\/li\u003e\n\u003cli\u003eFor the next 6 days, apply 1 fresh coat daily on top of the existing layers — this is the \"building\" phase.\u003c\/li\u003e\n\u003cli\u003eOn day 7, remove with OPI Expert Touch Lacquer Remover (or any acetone-based remover).\u003c\/li\u003e\n\u003cli\u003eRepeat the 7-day cycle continuously for ongoing maintenance and color refresh.\u003c\/li\u003e\n\u003cli\u003eCan also be used as a tinted strengthening base under a regular OPI Nail Lacquer color when you want fuller opacity.\u003c\/li\u003e\n\u003cli\u003ePair with daily cuticle oil application for a complete nail-health routine.\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"tip\"\u003eThe 7-day cycle is the key to results — don't skip the daily refresh, and don't extend beyond 7 days. Layering without removal causes peeling that defeats the strengthening effect. Same protocol as Nail Envy Original.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eApply thin coats, not thick. Two thin coats build stronger layers than one thick one. If the formula has thickened over time, OPI Nail Lacquer Thinner (NTT01) restores the consistency — never use water or remover to thin it.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eBubble Bath is one of OPI's most iconic shades — it's the same color as the famous Nail Lacquer Bubble Bath, just in a strengthening formula. 1-2 coats gives the classic \"natural French\" look; 3 coats moves into baby-pink territory. The most-requested Nail Envy color worldwide.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003ePairs Well With\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eApply directly to\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eBare, polish-free nails. Like all Nail Envy treatments, designed for bare natural nails — not over polish or gel.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eUse alone for\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eSheer Pale Pink sheer color + strengthening treatment in one product.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eLayer with (fuller color)\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eAny regular OPI Nail Lacquer color on top for full opacity. The Nail Envy variant doubles as a strengthening base coat.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eSeal with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Top Coat for classic gloss, Matte Top Coat for matte, Mirror Shine for high-shine, or RapiDry Top Coat for fast drying.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL) — acetone-based for clean removal.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003ePair daily with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil (14.8 mL dropper at home, 7.3 mL To Go pen for purse\/work bag).\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eOPI Nail Envy Strength + Color is widely available in Korea, but the Bubble Bath variant specifically isn't always carried by Korean OPI distributors — the colored variants rotate in and out of Korean retail availability, while US distribution keeps the full line in stock. For Korean shoppers wanting a specific shade like Bubble Bath, direct import is often the most reliable route.\u003c\/p\u003e\n\u003cp\u003eThe 9-free, vegan formulation resonates with Korean shoppers who research nail-care ingredient safety. The Strength + Color line gets the same chemistry treatment as Nail Envy Original — only the sheer color additive differs. For shoppers who want both the strengthening protocol and a subtle wearable color, Bubble Bath delivers a soft cool pink, the same iconic shade as the Bubble Bath Nail Lacquer color without compromising on the treatment formula.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n    \u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Us\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The Nail Envy Strength + Color line — colored variants of the original Nail Envy treatment — has been a category-defining product for shoppers wanting both nail strengthening and subtle color.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFAQ\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"faq-q\"\u003eQ: Is this the current Tri-Flex Technology vegan formula?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. All current Nail Envy variants (Original and Strength + Color) use the 2023 Tri-Flex Technology reformulation with no animal-derived ingredients.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Will this work over gel polish?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eNo — Nail Envy is designed for bare natural nails, not over gel. For gel damage recovery, fully remove all gel first, then start the 7-day cycle on clean nails.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use this during pregnancy?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eThe 9-free formulation removes the chemicals most commonly flagged for pregnancy avoidance (formaldehyde, toluene, DBP, TPHP). Consult your doctor for personalized advice.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the same Bubble Bath as the regular OPI Nail Lacquer?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eSame iconic color, different formula. The regular OPI Nail Lacquer Bubble Bath (NL S86) is a standard nail polish — full opacity at 2 coats, no strengthening properties. The Nail Envy Bubble Bath (NT222) is the strengthener formula with sheer color — buildable, treatment-grade, designed for the 7-day cycle.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Order\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45452065177647,"sku":"NT222","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-nail-envy-bubble-bath-nail-strengthener-3.png?v=1781132914"},{"product_id":"opi-nail-envy-powerful-pink-nail-strengthener","title":"OPI Nail Envy Powerful Pink Nail Strengthener — Medium Pink Strengthening Treatment (15 mL, NT229)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.85; max-width: 720px; }\n  .wonjo-wrap-kr { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.95; max-width: 720px; }\n\n  \/* === COMMON TEXT === *\/\n  .wonjo-wrap p, .wonjo-wrap-kr p { margin: 0 0 13px 0; color: #3a3a3a; }\n  .wonjo-wrap ul, .wonjo-wrap-kr ul { margin: 0 0 13px 0; padding-left: 18px; color: #3a3a3a; }\n  .wonjo-wrap ul li, .wonjo-wrap-kr ul li { margin-bottom: 7px; }\n\n  \/* === HEADINGS — H2 (old protein template) === *\/\n  .wonjo-wrap h2 { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; margin: 36px 0 8px 0; }\n  .wonjo-wrap-kr h2 { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; margin: 36px 0 8px 0; }\n\n  \/* === HR SEPARATOR (under h2 + inside details) === *\/\n  .wonjo-wrap hr, .wonjo-wrap-kr hr,\n  .wonjo-wrap details hr, .wonjo-wrap-kr details hr { border: none; border-top: 1.5px solid #4a7c59; margin: 0 0 18px 0; }\n\n  \/* === DETAILS \/ SUMMARY (rounds 1-4 + LEGO) === *\/\n  .wonjo-wrap details, .wonjo-wrap-kr details { margin: 0; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap details:last-of-type, .wonjo-wrap-kr details:last-of-type { border-bottom: none; }\n\n  .wonjo-wrap details summary { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n  .wonjo-wrap-kr details summary { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n\n  .wonjo-wrap details summary::-webkit-details-marker, .wonjo-wrap-kr details summary::-webkit-details-marker { display: none; }\n  .wonjo-wrap details summary::after, .wonjo-wrap-kr details summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: normal; color: #4a7c59; }\n  .wonjo-wrap details[open] summary::after, .wonjo-wrap-kr details[open] summary::after { content: '−'; }\n\n  \/* Content spacing — handles both direct-children variant AND \u003cdiv\u003e wrapper variant *\/\n  .wonjo-wrap details \u003e *:not(summary):not(hr), .wonjo-wrap-kr details \u003e *:not(summary):not(hr) { margin-bottom: 13px; }\n  .wonjo-wrap details \u003e *:last-child, .wonjo-wrap-kr details \u003e *:last-child { margin-bottom: 18px; }\n  .wonjo-wrap details \u003e div, .wonjo-wrap-kr details \u003e div { padding: 0 0 20px 0; }\n\n  \/* === SPEC GRID === *\/\n  .wonjo-wrap .spec-grid, .wonjo-wrap-kr .spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 16px 0; border: 1px solid #e8e8e4; border-radius: 4px; overflow: hidden; }\n  .wonjo-wrap .spec-item, .wonjo-wrap-kr .spec-item { padding: 10px 14px; border-bottom: 1px solid #e8e8e4; font-size: 14px; }\n  .wonjo-wrap .spec-item:nth-last-child(-n+2), .wonjo-wrap-kr .spec-item:nth-last-child(-n+2) { border-bottom: none; }\n  .wonjo-wrap .spec-label, .wonjo-wrap-kr .spec-label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; display: block; margin-bottom: 2px; font-weight: bold; }\n  .wonjo-wrap .spec-value, .wonjo-wrap-kr .spec-value { color: #2b2b2b; }\n\n  \/* === TIPS \/ WARNINGS === *\/\n  .wonjo-wrap .tip, .wonjo-wrap-kr .tip { background: #f4f8f5; border-left: 3px solid #4a7c59; padding: 12px 16px; font-size: 13.5px; color: #4a5a4a; margin: 14px 0; font-style: italic; }\n  .wonjo-wrap .tip-warn, .wonjo-wrap-kr .tip-warn { background: #fdf6e3; border-left: 3px solid #b8860b; padding: 12px 16px; font-size: 13.5px; color: #6e5828; margin: 14px 0; font-style: italic; }\n\n  \/* === BADGES === *\/\n  .wonjo-wrap .badge-row, .wonjo-wrap-kr .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px 0; }\n  .wonjo-wrap .badge, .wonjo-wrap-kr .badge { font-size: 11.5px; border: 1px solid #c2d8c9; background: #eef5f0; color: #3a6b48; border-radius: 3px; padding: 5px 11px; font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\n  \u003cp class=\"intro-subtitle\"\u003eOPI Nail Envy in Powerful Pink — the iconic clear-formula strengthener with a true medium pink with the most color payoff of any Strength + Color variant. Vegan 9-free Tri-Flex Technology, same 95% stronger nails in 7 days as Nail Envy Original, with subtle color built in.\u003c\/p\u003e\n\n  \u003cdetails open\u003e\n    \u003csummary\u003eAbout This Product\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e15 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003e9-Free\u003c\/span\u003e\u003cspan class=\"badge\"\u003eVegan\u003c\/span\u003e\u003cspan class=\"badge\"\u003eTinted Treatment\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eWeak nails\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003ePeeling\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eChipping\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSplitting\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eGel damage recovery\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSubtle color\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp\u003eThis is OPI Nail Envy Original — the iconic strengthening treatment that built OPI's reputation — in a Medium Pink sheer tint. Same Tri-Flex Technology formula reformulated in 2023 to be vegan and 9-free. Same hydrolyzed wheat protein + calcium + biotin + vitamins A, C, and E. Same 7-day building cycle for measurable nail strength improvement. The only difference is the addition of a true medium pink with the most color payoff of any Strength + Color variant as a sheer cosmetic tint while the treatment works.\u003c\/p\u003e\n\u003cp\u003eFor shoppers who want visible pink color from their strengthening treatment — not the barely-there sheer of Bubble Bath or Pink to Envy. Buildable — 1 coat gives a hint of color, 2-3 coats gives a more visible tint. Use as a standalone treatment with subtle color, OR as a strengthening base under a regular OPI Nail Lacquer color when you want fuller coverage.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eProduct Details\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNail Envy Strength + Color (Tri-Flex Technology)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer-tinted strengthening base coat \/ treatment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e15 mL \/ 0.5 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eColor Tint\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eMedium Pink — sheer, buildable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eWear Cycle\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e7 days (refresh daily, remove on day 7)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~6-8 weeks per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e9-free, vegan, cruelty-free\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eNail Envy combines two strengthening systems — a protein bonding complex and a vitamin nourishing complex — in a 9-free vegan formulation. All Strength + Color variants share the same active ingredients as Nail Envy Original; only the cosmetic sheer-color additives differ.\u003c\/p\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStrengthening Complex\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eHydrolyzed wheat protein, calcium, ProSina (proprietary protein matrix)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNourishing Actives\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eBiotin, vitamins A, C, and E\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eVegan Status\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNo animal-derived ingredients or by-products\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003e9-Free Formulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eFree of the 9 chemicals listed below\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eThis product is formulated WITHOUT:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n\u003cli\u003eFormaldehyde\u003c\/li\u003e\n\u003cli\u003eFormaldehyde resin\u003c\/li\u003e\n\u003cli\u003eToluene\u003c\/li\u003e\n\u003cli\u003eXylene\u003c\/li\u003e\n\u003cli\u003eDibutyl phthalate (DBP)\u003c\/li\u003e\n\u003cli\u003eCamphor\u003c\/li\u003e\n\u003cli\u003eParabens\u003c\/li\u003e\n\u003cli\u003eEthyl tosylamide\u003c\/li\u003e\n\u003cli\u003eTriphenyl phosphate (TPHP)\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003cdiv class=\"tip\"\u003eThe 9-free standard removes most of the chemicals historically flagged in nail polish health studies. For Korean shoppers who scrutinize ingredient lists, this is OPI's most rigorous formulation tier — same chemistry as Nail Envy Original, with just a sheer cosmetic tint added.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Use\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eStart with clean, dry, polish-free nails. Push back cuticles gently with an orange wood stick.\u003c\/li\u003e\n\u003cli\u003eApply 2 thin coats to bare nails, allowing 60-90 seconds between coats. The color is sheer and buildable — more coats give more visible tint.\u003c\/li\u003e\n\u003cli\u003eFor the next 6 days, apply 1 fresh coat daily on top of the existing layers — this is the \"building\" phase.\u003c\/li\u003e\n\u003cli\u003eOn day 7, remove with OPI Expert Touch Lacquer Remover (or any acetone-based remover).\u003c\/li\u003e\n\u003cli\u003eRepeat the 7-day cycle continuously for ongoing maintenance and color refresh.\u003c\/li\u003e\n\u003cli\u003eCan also be used as a tinted strengthening base under a regular OPI Nail Lacquer color when you want fuller opacity.\u003c\/li\u003e\n\u003cli\u003ePair with daily cuticle oil application for a complete nail-health routine.\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"tip\"\u003eThe 7-day cycle is the key to results — don't skip the daily refresh, and don't extend beyond 7 days. Layering without removal causes peeling that defeats the strengthening effect. Same protocol as Nail Envy Original.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eApply thin coats, not thick. Two thin coats build stronger layers than one thick one. If the formula has thickened over time, OPI Nail Lacquer Thinner (NTT01) restores the consistency — never use water or remover to thin it.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003ePowerful Pink is the most pigmented Strength + Color variant. Where the other shades are buildable from \"almost invisible\" to \"subtle,\" Powerful Pink starts at \"noticeably pink\" and builds to \"definitely pink.\" For shoppers who want the strengthening benefit but also want their nails to read as actually colored.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003ePairs Well With\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eApply directly to\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eBare, polish-free nails. Like all Nail Envy treatments, designed for bare natural nails — not over polish or gel.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eUse alone for\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eMedium Pink sheer color + strengthening treatment in one product.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eLayer with (fuller color)\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eAny regular OPI Nail Lacquer color on top for full opacity. The Nail Envy variant doubles as a strengthening base coat.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eSeal with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Top Coat for classic gloss, Matte Top Coat for matte, Mirror Shine for high-shine, or RapiDry Top Coat for fast drying.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL) — acetone-based for clean removal.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003ePair daily with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil (14.8 mL dropper at home, 7.3 mL To Go pen for purse\/work bag).\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eOPI Nail Envy Strength + Color is widely available in Korea, but the Powerful Pink variant specifically isn't always carried by Korean OPI distributors — the colored variants rotate in and out of Korean retail availability, while US distribution keeps the full line in stock. For Korean shoppers wanting a specific shade like Powerful Pink, direct import is often the most reliable route.\u003c\/p\u003e\n\u003cp\u003eThe 9-free, vegan formulation resonates with Korean shoppers who research nail-care ingredient safety. The Strength + Color line gets the same chemistry treatment as Nail Envy Original — only the sheer color additive differs. For shoppers who want both the strengthening protocol and a subtle wearable color, Powerful Pink delivers a true medium pink with the most color payoff of any Strength + Color variant without compromising on the treatment formula.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n    \u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Us\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The Nail Envy Strength + Color line — colored variants of the original Nail Envy treatment — has been a category-defining product for shoppers wanting both nail strengthening and subtle color.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFAQ\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"faq-q\"\u003eQ: Is this the current Tri-Flex Technology vegan formula?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. All current Nail Envy variants (Original and Strength + Color) use the 2023 Tri-Flex Technology reformulation with no animal-derived ingredients.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Will this work over gel polish?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eNo — Nail Envy is designed for bare natural nails, not over gel. For gel damage recovery, fully remove all gel first, then start the 7-day cycle on clean nails.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use this during pregnancy?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eThe 9-free formulation removes the chemicals most commonly flagged for pregnancy avoidance (formaldehyde, toluene, DBP, TPHP). Consult your doctor for personalized advice.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is Powerful Pink opaque?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eMore pigmented than other Strength + Color variants, but still not fully opaque like a regular Nail Lacquer. At 3 coats it gives a true visible pink color, but light still passes through. For full pink opacity, layer with a regular OPI Nail Lacquer pink (like Bubble Bath NL S86 or Aphrodite's Pink Nightie) over Nail Envy Original.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Order\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45452066291759,"sku":"NT229","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-nail-envy-powerful-pink-nail-strengthener-1.png?v=1781133781"},{"product_id":"opi-nail-envy-all-night-strong-nail-strengthener","title":"OPI Nail Envy All Night Strong Nail Strengthener — Sheer Cool Pink Strengthening Treatment (15 mL, NT227)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.85; max-width: 720px; }\n  .wonjo-wrap-kr { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.95; max-width: 720px; }\n\n  \/* === COMMON TEXT === *\/\n  .wonjo-wrap p, .wonjo-wrap-kr p { margin: 0 0 13px 0; color: #3a3a3a; }\n  .wonjo-wrap ul, .wonjo-wrap-kr ul { margin: 0 0 13px 0; padding-left: 18px; color: #3a3a3a; }\n  .wonjo-wrap ul li, .wonjo-wrap-kr ul li { margin-bottom: 7px; }\n\n  \/* === HEADINGS — H2 (old protein template) === *\/\n  .wonjo-wrap h2 { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; margin: 36px 0 8px 0; }\n  .wonjo-wrap-kr h2 { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; margin: 36px 0 8px 0; }\n\n  \/* === HR SEPARATOR (under h2 + inside details) === *\/\n  .wonjo-wrap hr, .wonjo-wrap-kr hr,\n  .wonjo-wrap details hr, .wonjo-wrap-kr details hr { border: none; border-top: 1.5px solid #4a7c59; margin: 0 0 18px 0; }\n\n  \/* === DETAILS \/ SUMMARY (rounds 1-4 + LEGO) === *\/\n  .wonjo-wrap details, .wonjo-wrap-kr details { margin: 0; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap details:last-of-type, .wonjo-wrap-kr details:last-of-type { border-bottom: none; }\n\n  .wonjo-wrap details summary { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n  .wonjo-wrap-kr details summary { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n\n  .wonjo-wrap details summary::-webkit-details-marker, .wonjo-wrap-kr details summary::-webkit-details-marker { display: none; }\n  .wonjo-wrap details summary::after, .wonjo-wrap-kr details summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: normal; color: #4a7c59; }\n  .wonjo-wrap details[open] summary::after, .wonjo-wrap-kr details[open] summary::after { content: '−'; }\n\n  \/* Content spacing — handles both direct-children variant AND \u003cdiv\u003e wrapper variant *\/\n  .wonjo-wrap details \u003e *:not(summary):not(hr), .wonjo-wrap-kr details \u003e *:not(summary):not(hr) { margin-bottom: 13px; }\n  .wonjo-wrap details \u003e *:last-child, .wonjo-wrap-kr details \u003e *:last-child { margin-bottom: 18px; }\n  .wonjo-wrap details \u003e div, .wonjo-wrap-kr details \u003e div { padding: 0 0 20px 0; }\n\n  \/* === SPEC GRID === *\/\n  .wonjo-wrap .spec-grid, .wonjo-wrap-kr .spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 16px 0; border: 1px solid #e8e8e4; border-radius: 4px; overflow: hidden; }\n  .wonjo-wrap .spec-item, .wonjo-wrap-kr .spec-item { padding: 10px 14px; border-bottom: 1px solid #e8e8e4; font-size: 14px; }\n  .wonjo-wrap .spec-item:nth-last-child(-n+2), .wonjo-wrap-kr .spec-item:nth-last-child(-n+2) { border-bottom: none; 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font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\n  \u003cp class=\"intro-subtitle\"\u003eOPI Nail Envy in All Night Strong — the iconic clear-formula strengthener with a cool pink with a slight rose undertone, more \"blushed\" than \"baby\". Vegan 9-free Tri-Flex Technology, same 95% stronger nails in 7 days as Nail Envy Original, with subtle color built in.\u003c\/p\u003e\n\n  \u003cdetails open\u003e\n    \u003csummary\u003eAbout This Product\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e15 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003e9-Free\u003c\/span\u003e\u003cspan class=\"badge\"\u003eVegan\u003c\/span\u003e\u003cspan class=\"badge\"\u003eTinted Treatment\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eWeak nails\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003ePeeling\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eChipping\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSplitting\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eGel damage recovery\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSubtle color\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp\u003eThis is OPI Nail Envy Original — the iconic strengthening treatment that built OPI's reputation — in a Sheer Cool Pink sheer tint. Same Tri-Flex Technology formula reformulated in 2023 to be vegan and 9-free. Same hydrolyzed wheat protein + calcium + biotin + vitamins A, C, and E. Same 7-day building cycle for measurable nail strength improvement. The only difference is the addition of a cool pink with a slight rose undertone, more \"blushed\" than \"baby\" as a sheer cosmetic tint while the treatment works.\u003c\/p\u003e\n\u003cp\u003eFor shoppers who want a sheer pink with a more grown-up, cool-toned feel than Bubble Bath. Buildable — 1 coat gives a hint of color, 2-3 coats gives a more visible tint. Use as a standalone treatment with subtle color, OR as a strengthening base under a regular OPI Nail Lacquer color when you want fuller coverage.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eProduct Details\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNail Envy Strength + Color (Tri-Flex Technology)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer-tinted strengthening base coat \/ treatment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e15 mL \/ 0.5 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eColor Tint\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer Cool Pink — sheer, buildable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eWear Cycle\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e7 days (refresh daily, remove on day 7)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~6-8 weeks per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e9-free, vegan, cruelty-free\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eNail Envy combines two strengthening systems — a protein bonding complex and a vitamin nourishing complex — in a 9-free vegan formulation. All Strength + Color variants share the same active ingredients as Nail Envy Original; only the cosmetic sheer-color additives differ.\u003c\/p\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStrengthening Complex\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eHydrolyzed wheat protein, calcium, ProSina (proprietary protein matrix)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNourishing Actives\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eBiotin, vitamins A, C, and E\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eVegan Status\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNo animal-derived ingredients or by-products\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003e9-Free Formulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eFree of the 9 chemicals listed below\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eThis product is formulated WITHOUT:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n\u003cli\u003eFormaldehyde\u003c\/li\u003e\n\u003cli\u003eFormaldehyde resin\u003c\/li\u003e\n\u003cli\u003eToluene\u003c\/li\u003e\n\u003cli\u003eXylene\u003c\/li\u003e\n\u003cli\u003eDibutyl phthalate (DBP)\u003c\/li\u003e\n\u003cli\u003eCamphor\u003c\/li\u003e\n\u003cli\u003eParabens\u003c\/li\u003e\n\u003cli\u003eEthyl tosylamide\u003c\/li\u003e\n\u003cli\u003eTriphenyl phosphate (TPHP)\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003cdiv class=\"tip\"\u003eThe 9-free standard removes most of the chemicals historically flagged in nail polish health studies. For Korean shoppers who scrutinize ingredient lists, this is OPI's most rigorous formulation tier — same chemistry as Nail Envy Original, with just a sheer cosmetic tint added.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Use\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eStart with clean, dry, polish-free nails. Push back cuticles gently with an orange wood stick.\u003c\/li\u003e\n\u003cli\u003eApply 2 thin coats to bare nails, allowing 60-90 seconds between coats. The color is sheer and buildable — more coats give more visible tint.\u003c\/li\u003e\n\u003cli\u003eFor the next 6 days, apply 1 fresh coat daily on top of the existing layers — this is the \"building\" phase.\u003c\/li\u003e\n\u003cli\u003eOn day 7, remove with OPI Expert Touch Lacquer Remover (or any acetone-based remover).\u003c\/li\u003e\n\u003cli\u003eRepeat the 7-day cycle continuously for ongoing maintenance and color refresh.\u003c\/li\u003e\n\u003cli\u003eCan also be used as a tinted strengthening base under a regular OPI Nail Lacquer color when you want fuller opacity.\u003c\/li\u003e\n\u003cli\u003ePair with daily cuticle oil application for a complete nail-health routine.\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"tip\"\u003eThe 7-day cycle is the key to results — don't skip the daily refresh, and don't extend beyond 7 days. Layering without removal causes peeling that defeats the strengthening effect. Same protocol as Nail Envy Original.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eApply thin coats, not thick. Two thin coats build stronger layers than one thick one. If the formula has thickened over time, OPI Nail Lacquer Thinner (NTT01) restores the consistency — never use water or remover to thin it.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eAll Night Strong is the cool-toned counterpart to Pink to Envy. Where Pink to Envy reads warm (peachy-pink), All Night Strong reads cool (rose-pink). Both are sheer; the undertone is the differentiator. For cool-skinned shoppers who find Pink to Envy too warm.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003ePairs Well With\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eApply directly to\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eBare, polish-free nails. Like all Nail Envy treatments, designed for bare natural nails — not over polish or gel.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eUse alone for\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eSheer Cool Pink sheer color + strengthening treatment in one product.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eLayer with (fuller color)\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eAny regular OPI Nail Lacquer color on top for full opacity. The Nail Envy variant doubles as a strengthening base coat.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eSeal with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Top Coat for classic gloss, Matte Top Coat for matte, Mirror Shine for high-shine, or RapiDry Top Coat for fast drying.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL) — acetone-based for clean removal.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003ePair daily with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil (14.8 mL dropper at home, 7.3 mL To Go pen for purse\/work bag).\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eOPI Nail Envy Strength + Color is widely available in Korea, but the All Night Strong variant specifically isn't always carried by Korean OPI distributors — the colored variants rotate in and out of Korean retail availability, while US distribution keeps the full line in stock. For Korean shoppers wanting a specific shade like All Night Strong, direct import is often the most reliable route.\u003c\/p\u003e\n\u003cp\u003eThe 9-free, vegan formulation resonates with Korean shoppers who research nail-care ingredient safety. The Strength + Color line gets the same chemistry treatment as Nail Envy Original — only the sheer color additive differs. For shoppers who want both the strengthening protocol and a subtle wearable color, All Night Strong delivers a cool pink with a slight rose undertone, more \"blushed\" than \"baby\" without compromising on the treatment formula.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n    \u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Us\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The Nail Envy Strength + Color line — colored variants of the original Nail Envy treatment — has been a category-defining product for shoppers wanting both nail strengthening and subtle color.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFAQ\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"faq-q\"\u003eQ: Is this the current Tri-Flex Technology vegan formula?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. All current Nail Envy variants (Original and Strength + Color) use the 2023 Tri-Flex Technology reformulation with no animal-derived ingredients.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Will this work over gel polish?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eNo — Nail Envy is designed for bare natural nails, not over gel. For gel damage recovery, fully remove all gel first, then start the 7-day cycle on clean nails.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use this during pregnancy?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eThe 9-free formulation removes the chemicals most commonly flagged for pregnancy avoidance (formaldehyde, toluene, DBP, TPHP). Consult your doctor for personalized advice.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How does All Night Strong compare to Bubble Bath?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eAll Night Strong is slightly deeper and slightly cooler than Bubble Bath. Bubble Bath is pale-pink and very sheer; All Night Strong has more \"rose\" in it and slightly more pigment. Both are subtle — the difference is most visible in side-by-side comparison.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Order\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45452067307567,"sku":"NT227","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-nail-envy-all-night-strong-nail-strengthener-sheer-cool-pink-treatment-15ml-nt227-1.png?v=1781135114"},{"product_id":"opi-nail-envy-tough-luv-nail-strengthener","title":"OPI Nail Envy Tough Luv Nail Strengthener — Sheer Berry Strengthening Treatment (15 mL, NT226)","description":"\u003cstyle\u003e\n\/* Wonjo canonical stylesheet v3.0 — see wonjo-style-LOCKED.md for documentation *\/\n\n  \/* === WRAPPERS === *\/\n  .wonjo-wrap { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.85; max-width: 720px; }\n  .wonjo-wrap-kr { font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; color: #2b2b2b; font-size: 16px; line-height: 1.95; max-width: 720px; }\n\n  \/* === COMMON TEXT === *\/\n  .wonjo-wrap p, .wonjo-wrap-kr p { margin: 0 0 13px 0; color: #3a3a3a; }\n  .wonjo-wrap ul, .wonjo-wrap-kr ul { margin: 0 0 13px 0; padding-left: 18px; color: #3a3a3a; }\n  .wonjo-wrap ul li, .wonjo-wrap-kr ul li { margin-bottom: 7px; }\n\n  \/* === HEADINGS — H2 (old protein template) === *\/\n  .wonjo-wrap h2 { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; margin: 36px 0 8px 0; }\n  .wonjo-wrap-kr h2 { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; margin: 36px 0 8px 0; }\n\n  \/* === HR SEPARATOR (under h2 + inside details) === *\/\n  .wonjo-wrap hr, .wonjo-wrap-kr hr,\n  .wonjo-wrap details hr, .wonjo-wrap-kr details hr { border: none; border-top: 1.5px solid #4a7c59; margin: 0 0 18px 0; }\n\n  \/* === DETAILS \/ SUMMARY (rounds 1-4 + LEGO) === *\/\n  .wonjo-wrap details, .wonjo-wrap-kr details { margin: 0; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap details:last-of-type, .wonjo-wrap-kr details:last-of-type { border-bottom: none; }\n\n  .wonjo-wrap details summary { font-size: 16px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.2px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n  .wonjo-wrap-kr details summary { font-size: 18px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; padding: 20px 30px 20px 0; cursor: pointer; list-style: none; position: relative; }\n\n  .wonjo-wrap details summary::-webkit-details-marker, .wonjo-wrap-kr details summary::-webkit-details-marker { display: none; }\n  .wonjo-wrap details summary::after, .wonjo-wrap-kr details summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 20px; font-weight: normal; color: #4a7c59; }\n  .wonjo-wrap details[open] summary::after, .wonjo-wrap-kr details[open] summary::after { content: '−'; }\n\n  \/* Content spacing — handles both direct-children variant AND \u003cdiv\u003e wrapper variant *\/\n  .wonjo-wrap details \u003e *:not(summary):not(hr), .wonjo-wrap-kr details \u003e *:not(summary):not(hr) { margin-bottom: 13px; }\n  .wonjo-wrap details \u003e *:last-child, .wonjo-wrap-kr details \u003e *:last-child { margin-bottom: 18px; }\n  .wonjo-wrap details \u003e div, .wonjo-wrap-kr details \u003e div { padding: 0 0 20px 0; }\n\n  \/* === SPEC GRID === *\/\n  .wonjo-wrap .spec-grid, .wonjo-wrap-kr .spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0 0 16px 0; border: 1px solid #e8e8e4; border-radius: 4px; overflow: hidden; }\n  .wonjo-wrap .spec-item, .wonjo-wrap-kr .spec-item { padding: 10px 14px; border-bottom: 1px solid #e8e8e4; font-size: 14px; }\n  .wonjo-wrap .spec-item:nth-last-child(-n+2), .wonjo-wrap-kr .spec-item:nth-last-child(-n+2) { border-bottom: none; }\n  .wonjo-wrap .spec-label, .wonjo-wrap-kr .spec-label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; display: block; margin-bottom: 2px; font-weight: bold; }\n  .wonjo-wrap .spec-value, .wonjo-wrap-kr .spec-value { color: #2b2b2b; }\n\n  \/* === TIPS \/ WARNINGS === *\/\n  .wonjo-wrap .tip, .wonjo-wrap-kr .tip { background: #f4f8f5; border-left: 3px solid #4a7c59; padding: 12px 16px; font-size: 13.5px; color: #4a5a4a; margin: 14px 0; font-style: italic; }\n  .wonjo-wrap .tip-warn, .wonjo-wrap-kr .tip-warn { background: #fdf6e3; border-left: 3px solid #b8860b; padding: 12px 16px; font-size: 13.5px; color: #6e5828; margin: 14px 0; font-style: italic; }\n\n  \/* === BADGES === *\/\n  .wonjo-wrap .badge-row, .wonjo-wrap-kr .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px 0; }\n  .wonjo-wrap .badge, .wonjo-wrap-kr .badge { font-size: 11.5px; border: 1px solid #c2d8c9; background: #eef5f0; color: #3a6b48; border-radius: 3px; padding: 5px 11px; font-weight: bold; letter-spacing: 0.3px; }\n  .wonjo-wrap .badge-eco, .wonjo-wrap-kr .badge-eco { border-color: #b5cfa9; background: #e8f3e0; color: #2d5c1f; }\n  .wonjo-wrap .badge-safe, .wonjo-wrap-kr .badge-safe { border-color: #d4a574; background: #fdf3e3; color: #8a5a1a; }\n\n  \/* === SKILL TAG ROW (rounds 1-4 kids\/toys) === *\/\n  .wonjo-wrap .skill-row, .wonjo-wrap-kr .skill-row { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 18px 0; padding-bottom: 16px; border-bottom: 1px solid #e8e8e4; }\n  .wonjo-wrap .skill-tag, .wonjo-wrap-kr .skill-tag { font-size: 11px; background: #fdfcf8; border: 1px solid #e4e0d6; color: #6a5a3a; border-radius: 14px; padding: 4px 10px; letter-spacing: 0.2px; }\n\n  \/* === REVIEW CARDS (protein listings) === *\/\n  .wonjo-wrap .review-card, .wonjo-wrap-kr .review-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 20px; margin-bottom: 14px; }\n  .wonjo-wrap .review-text, .wonjo-wrap-kr .review-text { color: #3a3a3a; margin: 0 0 10px 0; font-style: italic; }\n  .wonjo-wrap .review-name, .wonjo-wrap-kr .review-name { font-size: 12.5px; color: #888; font-style: normal; }\n\n  \/* === SET CARDS (LEGO bundle template) === *\/\n  .wonjo-wrap .set-card, .wonjo-wrap-kr .set-card { background: #fdfcf8; border: 1px solid #e4e0d6; border-radius: 6px; padding: 18px 22px; margin-bottom: 16px; }\n  .wonjo-wrap .set-card .set-no, .wonjo-wrap-kr .set-card .set-no { font-size: 13px; letter-spacing: 1px; color: #4a7c59; text-transform: uppercase; margin: 0 0 4px 0; font-weight: bold; }\n  .wonjo-wrap .set-card h3, .wonjo-wrap-kr .set-card h3 { font-size: 17px; margin: 0 0 10px 0; color: #2b2b2b; font-weight: 700; }\n  .wonjo-wrap .set-card p, .wonjo-wrap-kr .set-card p { margin: 0 0 8px 0; }\n  .wonjo-wrap .set-card .set-stats, .wonjo-wrap-kr .set-card .set-stats { font-size: 13.5px; color: #666; margin-top: 8px; }\n\n  \/* === PLAY STAGES (rounds 1-4 age-progression) === *\/\n  .wonjo-wrap .play-stage, .wonjo-wrap-kr .play-stage { padding: 10px 0; border-bottom: 1px dashed #e8e8e4; }\n  .wonjo-wrap .play-stage:last-child, .wonjo-wrap-kr .play-stage:last-child { border-bottom: none; }\n  .wonjo-wrap .play-stage-age, .wonjo-wrap-kr .play-stage-age { font-size: 13px; text-transform: uppercase; letter-spacing: 0.8px; color: #4a7c59; font-weight: bold; display: block; margin-bottom: 4px; }\n  .wonjo-wrap .play-stage-text, .wonjo-wrap-kr .play-stage-text { color: #3a3a3a; font-size: 14.5px; }\n\n  \/* === FAQ === *\/\n  .wonjo-wrap .faq-q, .wonjo-wrap-kr .faq-q { font-size: 13.5px; color: #4a7c59; font-weight: bold; margin: 14px 0 6px 0; }\n  .wonjo-wrap .faq-a, .wonjo-wrap-kr .faq-a { color: #3a3a3a; margin: 0 0 13px 0; padding-left: 14px; border-left: 2px solid #e8e8e4; }\n\n  \/* === STEPS (numbered ordering process) === *\/\n  .wonjo-wrap .steps, .wonjo-wrap-kr .steps { list-style: none; padding: 0; margin: 0 0 13px 0; }\n  .wonjo-wrap .steps { counter-reset: wonjo-steps; }\n  .wonjo-wrap-kr .steps { counter-reset: wonjo-steps-kr; }\n  .wonjo-wrap .steps li { counter-increment: wonjo-steps; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap-kr .steps li { counter-increment: wonjo-steps-kr; padding: 10px 0 10px 38px; border-bottom: 1px solid #e8e8e4; position: relative; color: #3a3a3a; }\n  .wonjo-wrap .steps li:last-child, .wonjo-wrap-kr .steps li:last-child { border-bottom: none; }\n  .wonjo-wrap .steps li::before { content: counter(wonjo-steps); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n  .wonjo-wrap-kr .steps li::before { content: counter(wonjo-steps-kr); position: absolute; left: 0; top: 11px; font-size: 11px; font-weight: bold; color: #4a7c59; width: 22px; height: 22px; border: 1.5px solid #4a7c59; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; }\n\n  \/* === INTRO SUBTITLE === *\/\n  .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px; line-height: 1.6; color: #4a7c59; font-style: italic; margin: 0 0 18px 0; padding-bottom: 18px; border-bottom: 1px solid #e8e8e4; }\n\n  \/* === SECTION SUBTITLE === *\/\n  .wonjo-wrap .section-subtitle, .wonjo-wrap-kr .section-subtitle { font-size: 13px; color: #777; font-style: italic; margin: -2px 0 16px 0; }\n\n  \/* === KEYWORDS (related searches at bottom) === *\/\n  .wonjo-wrap .keywords, .wonjo-wrap-kr .keywords { font-size: 13px; color: #777; line-height: 1.7; letter-spacing: 0.2px; }\n\n  \/* === MOBILE MEDIA QUERY === *\/\n  @media (max-width: 600px) {\n    .wonjo-wrap details summary, .wonjo-wrap-kr details summary { padding: 18px 30px 18px 0 !important; }\n    .wonjo-wrap details summary, .wonjo-wrap h2 { font-size: 15px !important; letter-spacing: 1px !important; }\n    .wonjo-wrap-kr details summary, .wonjo-wrap-kr h2 { font-size: 18px !important; letter-spacing: 0.8px !important; }\n    .wonjo-wrap, .wonjo-wrap-kr { font-size: 16px !important; }\n    .wonjo-wrap .intro-subtitle, .wonjo-wrap-kr .intro-subtitle { font-size: 17px !important; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"wonjo-wrap\"\u003e\n\n  \u003cp class=\"intro-subtitle\"\u003eOPI Nail Envy in Tough Luv — the iconic clear-formula strengthener with a deep dusty rose-berry, the darkest shade in the Strength + Color line. Vegan 9-free Tri-Flex Technology, same 95% stronger nails in 7 days as Nail Envy Original, with subtle color built in.\u003c\/p\u003e\n\n  \u003cdetails open\u003e\n    \u003csummary\u003eAbout This Product\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"badge-row\"\u003e\n\u003cspan class=\"badge\"\u003eDirect from US\u003c\/span\u003e\u003cspan class=\"badge\"\u003ePersonal Import\u003c\/span\u003e\u003cspan class=\"badge\"\u003e15 mL\u003c\/span\u003e\u003cspan class=\"badge\"\u003e9-Free\u003c\/span\u003e\u003cspan class=\"badge\"\u003eVegan\u003c\/span\u003e\u003cspan class=\"badge\"\u003eTinted Treatment\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"skill-row\"\u003e\n\u003cspan class=\"skill-tag\"\u003eWeak nails\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003ePeeling\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eChipping\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSplitting\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eGel damage recovery\u003c\/span\u003e\u003cspan class=\"skill-tag\"\u003eSubtle color\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003cp\u003eThis is OPI Nail Envy Original — the iconic strengthening treatment that built OPI's reputation — in a Sheer Berry sheer tint. Same Tri-Flex Technology formula reformulated in 2023 to be vegan and 9-free. Same hydrolyzed wheat protein + calcium + biotin + vitamins A, C, and E. Same 7-day building cycle for measurable nail strength improvement. The only difference is the addition of a deep dusty rose-berry, the darkest shade in the Strength + Color line as a sheer cosmetic tint while the treatment works.\u003c\/p\u003e\n\u003cp\u003eFor shoppers who want a darker, more sophisticated tint — adds visible color depth while staying treatment-grade sheer. Buildable — 1 coat gives a hint of color, 2-3 coats gives a more visible tint. Use as a standalone treatment with subtle color, OR as a strengthening base under a regular OPI Nail Lacquer color when you want fuller coverage.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eProduct Details\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eBrand\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eOPI (Wella Company)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eSub-line\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNail Envy Strength + Color (Tri-Flex Technology)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormat\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer-tinted strengthening base coat \/ treatment\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNet Volume\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e15 mL \/ 0.5 fl oz\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eColor Tint\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eSheer Berry — sheer, buildable\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eDrying Time\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e60-90 seconds per coat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eWear Cycle\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e7 days (refresh daily, remove on day 7)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eLasts Approx.\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e~6-8 weeks per bottle at typical use\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eFormulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003e9-free, vegan, cruelty-free\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eCountry of Origin\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eUSA\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eKey Ingredients \u0026amp; Free-Of Profile\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eNail Envy combines two strengthening systems — a protein bonding complex and a vitamin nourishing complex — in a 9-free vegan formulation. All Strength + Color variants share the same active ingredients as Nail Envy Original; only the cosmetic sheer-color additives differ.\u003c\/p\u003e\n    \u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eStrengthening Complex\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eHydrolyzed wheat protein, calcium, ProSina (proprietary protein matrix)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eNourishing Actives\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eBiotin, vitamins A, C, and E\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003eVegan Status\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eNo animal-derived ingredients or by-products\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-item\"\u003e\n\u003cspan class=\"spec-label\"\u003e9-Free Formulation\u003c\/span\u003e\u003cspan class=\"spec-value\"\u003eFree of the 9 chemicals listed below\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cp\u003e\u003cstrong\u003eThis product is formulated WITHOUT:\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cul\u003e\n\u003cli\u003eFormaldehyde\u003c\/li\u003e\n\u003cli\u003eFormaldehyde resin\u003c\/li\u003e\n\u003cli\u003eToluene\u003c\/li\u003e\n\u003cli\u003eXylene\u003c\/li\u003e\n\u003cli\u003eDibutyl phthalate (DBP)\u003c\/li\u003e\n\u003cli\u003eCamphor\u003c\/li\u003e\n\u003cli\u003eParabens\u003c\/li\u003e\n\u003cli\u003eEthyl tosylamide\u003c\/li\u003e\n\u003cli\u003eTriphenyl phosphate (TPHP)\u003c\/li\u003e\n\u003c\/ul\u003e\n    \u003cdiv class=\"tip\"\u003eThe 9-free standard removes most of the chemicals historically flagged in nail polish health studies. For Korean shoppers who scrutinize ingredient lists, this is OPI's most rigorous formulation tier — same chemistry as Nail Envy Original, with just a sheer cosmetic tint added.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Use\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eStart with clean, dry, polish-free nails. Push back cuticles gently with an orange wood stick.\u003c\/li\u003e\n\u003cli\u003eApply 2 thin coats to bare nails, allowing 60-90 seconds between coats. The color is sheer and buildable — more coats give more visible tint.\u003c\/li\u003e\n\u003cli\u003eFor the next 6 days, apply 1 fresh coat daily on top of the existing layers — this is the \"building\" phase.\u003c\/li\u003e\n\u003cli\u003eOn day 7, remove with OPI Expert Touch Lacquer Remover (or any acetone-based remover).\u003c\/li\u003e\n\u003cli\u003eRepeat the 7-day cycle continuously for ongoing maintenance and color refresh.\u003c\/li\u003e\n\u003cli\u003eCan also be used as a tinted strengthening base under a regular OPI Nail Lacquer color when you want fuller opacity.\u003c\/li\u003e\n\u003cli\u003ePair with daily cuticle oil application for a complete nail-health routine.\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eTips From Pro Nail Artists\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"tip\"\u003eThe 7-day cycle is the key to results — don't skip the daily refresh, and don't extend beyond 7 days. Layering without removal causes peeling that defeats the strengthening effect. Same protocol as Nail Envy Original.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eApply thin coats, not thick. Two thin coats build stronger layers than one thick one. If the formula has thickened over time, OPI Nail Lacquer Thinner (NTT01) restores the consistency — never use water or remover to thin it.\u003c\/div\u003e\n\u003cdiv class=\"tip\"\u003eTough Luv is the only \"dark\" option in the Strength + Color line. At 1 coat it reads as a dusty rose; at 3 coats it builds toward a sheer berry with visible depth. Great for fall\/winter palette preferences, or for shoppers who find pure pinks too feminine.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003ePairs Well With\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eApply directly to\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eBare, polish-free nails. Like all Nail Envy treatments, designed for bare natural nails — not over polish or gel.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eUse alone for\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eSheer Berry sheer color + strengthening treatment in one product.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eLayer with (fuller color)\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eAny regular OPI Nail Lacquer color on top for full opacity. The Nail Envy variant doubles as a strengthening base coat.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eSeal with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Top Coat for classic gloss, Matte Top Coat for matte, Mirror Shine for high-shine, or RapiDry Top Coat for fast drying.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003eRemove with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI Expert Touch Lacquer Remover (110 mL or 480 mL) — acetone-based for clean removal.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"play-stage\"\u003e\n\u003cspan class=\"play-stage-age\"\u003ePair daily with\u003c\/span\u003e\u003cspan class=\"play-stage-text\"\u003eOPI ProSpa Nail \u0026amp; Cuticle Oil (14.8 mL dropper at home, 7.3 mL To Go pen for purse\/work bag).\u003c\/span\u003e\n\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy Korean Customers Reach For This\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eOPI Nail Envy Strength + Color is widely available in Korea, but the Tough Luv variant specifically isn't always carried by Korean OPI distributors — the colored variants rotate in and out of Korean retail availability, while US distribution keeps the full line in stock. For Korean shoppers wanting a specific shade like Tough Luv, direct import is often the most reliable route.\u003c\/p\u003e\n\u003cp\u003eThe 9-free, vegan formulation resonates with Korean shoppers who research nail-care ingredient safety. The Strength + Color line gets the same chemistry treatment as Nail Envy Original — only the sheer color additive differs. For shoppers who want both the strengthening protocol and a subtle wearable color, Tough Luv delivers a deep dusty rose-berry, the darkest shade in the Strength + Color line without compromising on the treatment formula.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eFree shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.\u003c\/p\u003e\n    \u003cp\u003eOrders are dispatched within 1 to 2 business days. A tracking number is sent to your email once your parcel is on its way. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eAll orders ship in plain unmarked boxes for discretion.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eCustoms \u0026amp; Import\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eAll orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Personal-use imports from the United States with a declared value under USD 200 generally qualify for duty-free clearance; if any duty applies, it is payable by the customer at the time of receipt.\u003c\/p\u003e\n    \u003cdiv class=\"tip\"\u003eIf you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eAbout Us\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cp\u003eWe work directly with US professional nail-supply distribution — the same channels US salons buy from. Every bottle is factory-sealed direct from OPI's US production, never re-bottled or repackaged, never grey-market sourced.\u003c\/p\u003e\n\u003cp\u003eOPI is a US professional nail-care brand founded in 1981 and now owned by Wella Company. OPI is the most-recognized professional nail brand worldwide, sold through salon-supply distribution and select beauty retail. The Nail Envy Strength + Color line — colored variants of the original Nail Envy treatment — has been a category-defining product for shoppers wanting both nail strengthening and subtle color.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eFAQ\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003cdiv class=\"faq-q\"\u003eQ: Is this the current Tri-Flex Technology vegan formula?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. All current Nail Envy variants (Original and Strength + Color) use the 2023 Tri-Flex Technology reformulation with no animal-derived ingredients.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Will this work over gel polish?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eNo — Nail Envy is designed for bare natural nails, not over gel. For gel damage recovery, fully remove all gel first, then start the 7-day cycle on clean nails.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I use this during pregnancy?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eThe 9-free formulation removes the chemicals most commonly flagged for pregnancy avoidance (formaldehyde, toluene, DBP, TPHP). Consult your doctor for personalized advice.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is Tough Luv truly dark?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eCompared to the rest of the Strength + Color line (all light sheers), yes — Tough Luv is meaningfully darker. But compared to a regular dark OPI Nail Lacquer (like Lincoln Park After Dark), it's still sheer and buildable. Think \"dusty rose treatment\" rather than \"berry polish.\"\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is this the authentic OPI product?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Is it new and unopened?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eYes. Every bottle ships factory-sealed in original retail packaging.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: How long does shipping take?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.\u003c\/div\u003e\n\u003cdiv class=\"faq-q\"\u003eQ: Can I cancel my order?\u003c\/div\u003e\n\u003cdiv class=\"faq-a\"\u003eOrders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.\u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails\u003e\n    \u003csummary\u003eHow to Order\u003c\/summary\u003e\n    \u003chr\u003e\n    \u003col class=\"steps\"\u003e\n\u003cli\u003eSelect the product\u003c\/li\u003e\n\u003cli\u003eAdd to cart and proceed to checkout\u003c\/li\u003e\n\u003cli\u003eEnter your Personal Customs Clearance Code (PCCC) when prompted\u003c\/li\u003e\n\u003cli\u003eConfirm your Korean delivery address\u003c\/li\u003e\n\u003cli\u003eComplete payment — your order is placed\u003c\/li\u003e\n\u003cli\u003eReceive your tracking number by email within 1 to 2 business days\u003c\/li\u003e\n\u003c\/ol\u003e\n  \u003c\/details\u003e\n\n\u003c\/div\u003e","brand":"OPI","offers":[{"title":"Default Title","offer_id":45452067536943,"sku":"NT226","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/5190\/3791\/files\/opi-nail-envy-tough-luv-nail-strengthener-sheer-berry-strengthening-treatment-15ml-nt226-1.png?v=1781135286"}],"url":"https:\/\/wonjo.com\/en\/collections\/nail-strengtheners.oembed","provider":"원조 - WONJO","version":"1.0","type":"link"}