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OPI Start to Finish 3-in-1 Treatment — Base Coat + Strengthener + Top Coat (15 mL, NTT71)

OPI Start to Finish 3-in-1 Treatment — Base Coat + Strengthener + Top Coat (15 mL, NTT71)

₩21,000 KRW
₩21,000 KRW
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Shipping calculated at checkout.

OPI'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.

About This Product
Direct from USPersonal Import15 mLFormaldehyde-Free3-in-1Made in USA
Limited shelf spaceTravel useSimple routineWeak nails

Start 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.

Best 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.

Product Details
BrandOPI (Wella Company)
Sub-lineStart to Finish (Formaldehyde-Free 3-in-1)
FormatAll-in-one base coat / strengthener / top coat
Net Volume15 mL / 0.5 fl oz
Drying Time60-90 seconds per coat
Application1 coat before color (base), 1 coat after color (top)
Lasts Approx.~3-4 months per bottle at typical use
FormulationFormaldehyde-free
Country of OriginUSA
StorageCool, upright. Avoid direct sunlight.
Key Ingredients & Free-Of Profile

Start 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.

Primary Function3-in-1: base coat + strengthener + top coat
Key DifferentiatorFormaldehyde-FREE (vs older NTT70 formaldehyde formula)
Strengthening ComplexProprietary nail-conditioning blend
FinishHigh-gloss top coat finish
How to Use
  1. Start with clean, dry, polish-free nails. Push back cuticles gently.
  2. Apply 1 thin coat of Start to Finish as a base coat directly to bare nails.
  3. Allow 60-90 seconds to dry.
  4. Apply 2 thin coats of your favorite OPI Nail Lacquer color, allowing each to dry.
  5. Allow color to fully dry (3-5 minutes).
  6. Apply 1 more coat of Start to Finish as a top coat over the color.
  7. Allow to fully dry for a complete manicure.
Tips From Pro Nail Artists
Use 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.
Great 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.
Pairs Well With
Use as base AND top withAny OPI Nail Lacquer color — same bottle serves both ends of the manicure.
Can pair under withRepair Mode (apply Repair Mode first, then Start to Finish as base, then color).
Optional layer overNail Envy Original (use Nail Envy as treatment, Start to Finish as quick base + top when adding color).
Remove withOPI Expert Touch Lacquer Remover (110 mL or 480 mL).
Daily companionOPI ProSpa Nail & Cuticle Oil for cuticle care.
Why Korean Customers Reach For This

Start 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.

The 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.

Shipping

Free shipping on every order, with no minimum. No handling fees, no customs processing charges, nothing added at checkout.

Orders 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.

All orders ship in plain unmarked boxes for discretion.
Customs & Import

All 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.

If you do not yet have a PCCC, you can get one free in under five minutes at unipass.customs.go.kr.
About Us

We 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.

OPI 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.

FAQ
Q: Is this really 3-in-1?
Yes — 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.
Q: Is this as effective as separate products?
For 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.
Q: Is this formaldehyde-free?
Yes — 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.
Q: Is this the authentic OPI product?
Yes. Sourced directly from authorized US nail-supply distribution. We do not re-package, re-bottle, or source from grey markets.
Q: Is it new and unopened?
Yes. Every bottle ships factory-sealed in original retail packaging.
Q: How long does shipping take?
Orders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.
Q: Can I cancel my order?
Orders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.
How to Order
  1. Select the product
  2. Add to cart and proceed to checkout
  3. Enter your Personal Customs Clearance Code (PCCC) when prompted
  4. Confirm your Korean delivery address
  5. Complete payment — your order is placed
  6. Receive your tracking number by email within 1 to 2 business days
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