Leighton Denny Undercover, 12ml

Product information

Colour Accessories: Matte base coat that helps 'grip' colour.

The perfect platform for colour. An innovative, matte-finish base coat that helps 'grip' colour to help maximise wear and reduce chipping. It has colour diffusers to even tone and mask nail discolouration.


Leighton Denny
Eligible for International Delivery
Nail Polish Finish
Nail Type
Base & Top Coats
Treatment Type

Brand Story

Leighton Denny Expert Nails provide premium nail care derived from a heritage of professional expertise. Since 2005 the company has remained grounded to its commitment of delivering salon quality products for the mass market.

An extensive range of treatments and accessories including the coveted Crystal Nail File, and a trend-inspired kaleidoscope of over 300 fun and fabulous nail colours formulated with an ultra-glossy, chip-resistant finish.

Leighton Denny has won awards including Harpers Bazaar Best of the Best 2014 and InStyle Best Buys 2014. In 2014 Leighton was recognised for his services to the industry with an MBE.


Click & collect

Click & collect from John Lewis or Waitrose shops tomorrow from 2pm
375 participating John Lewis and Waitrose shops

Collect + from a local shop from tomorrow - postcode exclusions apply for Collect+ deliveries

5000+ participating Collect+ shops

Standard delivery in 5 working days


Named or Saturday UK delivery


Named day UK delivery pre-10.30am


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 4 reviewers.
Rated 5 out of 5 by Top class product As a base coat fabulous - dries matt so no more guessing about the time needed before applying either colour or topcoat for a perfect manicure. 05 August 2014
Rated 5 out of 5 by Great Product! This product is fab! It really help get nail colours on for longer. 15 July 2014
Rated 5 out of 5 by Love Leighton Denny! I started using Leighton Denny products about a year ago, and don't use any others now. If I use this basecoat followed by two coats of colour and a top coat of crystal finish (and miracle drops to dry it quickly!), I get 5-7 days out of my nails, no chips. For a polish that's not gel with the amount of abuse my hands get, that's great. 27 May 2014
Rated 5 out of 5 by Lovve this product I really love this product. I was introduced to it first when I had a manicure and loved the matt finish. It works well just on its own, but as basecoat it does everything you want it to do, dries quickly, forms an even surface for your colour coat and does not go "gluppy". My only complaint would be that my first bottle must have had a fault in the glass and the top broke off. This was a problem as it was inside a makeup valet case with glass files, hoofs, emery boards, clippers etc all of which had to be thrown away or cleaned with nail varnish remover. 09 November 2011
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