OPI Start-To-Finish Nail Strengthener, 15ml

Product information

A base coat, top coat and natural nail strengthener in one high-performance formula.


Eligible for International Delivery
Nail Polish Finish
Nail Type
Nail Treatments
Treatment Type

Brand Story

As the world leader in the professional nail care industry, OPI is committed to providing high-quality products and services to both salons and their customers, along with a focus on industry safety and innovation. Known for its exceptional formula, fashionable colors and iconic names, OPI’s heavily-pigmented lacquers are super rich, long-lasting and chip-resistant – offering an affordable luxury to consumers. OPI nail lacquer is available in over 200 shades.

Each lacquer features OPI’s exclusive ProWide™ Brush for the ultimate in application. Currently, OPI is available in over 100 countries and retails a full line of professional items, including nail treatments, finishing products, lotions, manicure/pedicure products, files, tools, gels and acrylics.

O.P.I products are not tested on animals and their nail lacquers are formulated without formaldehyde, DBP (dibutyl phthalate) and tolulene.


  • Click & collect

    Click & collect from John Lewis and Waitrose shops tomorrow from 2pm
    Find out more
  • Collect+

    Collect + from a local shop from Tuesday, postcode exclusions apply
    Find out more
  • UK delivery

    Standard delivery within 5 working days
    Named or Saturday UK delivery
    Named day UK delivery pre-10.30am
    Find out more
  • International delivery not available


We want you to be happy with your purchase. If you're not, depending on the type of product, you can make free returns in the UK via John Lewis shops, Royal Mail, Collect+, or MyHermes. If you need to arrange collection of large or heavy items, call us on 03456 049 049. For international returns queries, call us on +44 1698 545 454. Find out more about returns.

You'll find returns information on your delivery note. Unless faulty, we'd like you to make your return within 90 days of purchase. Exceptions apply to certain products - find out more about our refund policy.

Q & As

Rated 5 out of 5 by 8 reviewers.
Rated 5 out of 5 by Opi Have used for about 2 weeks now. . I usually have very split and peeling nails, and have to keep them short.now I have nice natural looking nails. Both my daughters have taken to 'borrowing it'. Pricey but well worth it. 26 January 2016
Rated 5 out of 5 by Nail stregthener I have been using this particular nail strengthener for a short while, it is excellent, so pleased I discovered recently, that I can purchase it at John Lewis 08 January 2016
Rated 5 out of 5 by Excellent product This is an excellent nail strengthener and also provides a very good base for nail polish. 29 October 2015
Rated 5 out of 5 by 3 in 1 product This polish is excellent. Use as base coat and as top coat and in between as a gloss. Glides on smoothly...love it 20 October 2015
Rated 5 out of 5 by Great all-in-one I really like this product as it does as it says and strengthens my nails. I have recommended it to my friends and family. 08 September 2015
Rated 5 out of 5 by Great product would not apply polish without using this Have used this product for a number of years. Makes your polish last much longer 08 September 2015
Rated 5 out of 5 by OPI Start-To-Finish Nail Strengthener, 15ml I couldn't be without it. I bought one for my Sister at Christmas. Perfect gift. 28 December 2012
Rated 5 out of 5 by Brilliant Started using this product a while ago, love it! Would not use anything else now. 14 July 2011
  • 2016-05-26 T11:09:59.953-05:00
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