{"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":21000.0,"currency_code":"KRW","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","url":"https:\/\/wonjo.com\/en\/products\/opi-start-to-finish-3-in-1-treatment","provider":"원조 - WONJO","version":"1.0","type":"link"}