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OPIStart to FinishBase Coat, Top Coat & Nail StrengthenerFormaldehyde Free Formula 3-in-1 treatment (NT T71)
by OPI boasts a 3-in-1 formula that combines natural nail strengthening with long-lasting base and top coats.
As a base coat: Apply before nail lacquer to prevent nail staining and ensure long-lasting nail lacquer.As a top coat: Apply over nail lacquer for a fast-drying, high-gloss, protective shine.As a nail strengthener: Apply every other day for strong, flexible nails that resist breaking. On natural nails apply two coats, followed by one coat every other day; remove weekly.