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OPI Start to Finish 3-in-1 Treatment clear top and base coat bottle with black cap, standing on a glossy white surface with soft light reflections.
Clear glossy swatch of OPI Start to Finish® 3-in-1 Treatment, a top and base coat nail treatment, shown in smooth translucent strokes on a white background.
OPI Start to Finish 3-in-1 Treatment bottle stands on a blue background beside directions to use as a base and top coat, with glossy natural nails below showing daily nail strengthener results.
OPI Start to Finish® 3-in-1 Treatment top and base coat bottle rests on a glossy blue and white swirl background, highlighting its base coat, top coat, and vitamin A+E nail strengthener benefits.
Hand holding OPI Start to Finish 3-in-1 Treatment top and base coat bottle, highlighting glossy natural nails and benefits for protection, shine, and strengthening on a blue background.
Hand displaying a natural glossy manicure with OPI Start to Finish® 3-in-1 Treatment top and base coat on short, clean nails against a white studio background.
OPI Start to Finish® 3-in-1 Treatment top and base coat bottle displayed in a blue retail carton, 15 mL/0.5 fl oz, with vitamins A+E for nail care.
    OPI Start to Finish 3-in-1 Treatment clear top and base coat bottle with black cap, standing on a glossy white surface with soft light reflections.
    Clear glossy swatch of OPI Start to Finish® 3-in-1 Treatment, a top and base coat nail treatment, shown in smooth translucent strokes on a white background.
    OPI Start to Finish 3-in-1 Treatment bottle stands on a blue background beside directions to use as a base and top coat, with glossy natural nails below showing daily nail strengthener results.
    OPI Start to Finish® 3-in-1 Treatment top and base coat bottle rests on a glossy blue and white swirl background, highlighting its base coat, top coat, and vitamin A+E nail strengthener benefits.
    Hand holding OPI Start to Finish 3-in-1 Treatment top and base coat bottle, highlighting glossy natural nails and benefits for protection, shine, and strengthening on a blue background.
    Hand displaying a natural glossy manicure with OPI Start to Finish® 3-in-1 Treatment top and base coat on short, clean nails against a white studio background.
    OPI Start to Finish® 3-in-1 Treatment top and base coat bottle displayed in a blue retail carton, 15 mL/0.5 fl oz, with vitamins A+E for nail care.

      bestseller

      Top & Base Coats

      Start to Finish® 3-in-1 Treatment

      A base coat, top coat, and nail strengthener all in one.

      £12.39

      £17.70

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      Top & Base CoatsStart to Finish® 3-in-1 Treatment

      £12.39

      £17.70

      What it is: 3 in 1 nail treatment base coat top coat and strengthener What it does: Acts as a base coat, top coat, and nail strengthener This nail strengthener features a multi-tasking formula infused with vitamins A and E, giving you everything you need in one bottle. Think of it as a 3-in-one essential. Base coat: Helps protect against discolouration. Top coat: Delivers long-lasting shine. Strengthener: Helps protect nails against chipping, peeling and splitting when used daily.

      Vegan and 9-Free. Delivers long-lasting shine and up to 7 days of wear when used as a top coat.

      Apply 1 coat to bare nails followed by colour, then 1 coat on top to lock it.

      Ethyl Acetate, Alcohol Denat., Butyl Acetate, Nitrocellulose, Acrylates/Hydroxyesters Acrylates Copolymer, Isopropyl Alcohol, Acetyl Tributyl Citrate, Tribenzoin, Tosylamide/Epoxy Resin, Tocopheryl Acetate, Retinyl Palmitate, Violet 2 (CI 60725).