Sally Hansen Diamond Strength Hardener, 13ml

Product information

 Titanium and real micro-diamonds formula, which instantly bonds to strengthen and seal fragile nail layers with a virtually shatterproof, protective shield. Locks in moisture to nourish and help stop breaking, so nails can grow.
The quick drying formula can be used as a base or top-coat, and strengthens nails by bonding the layers of the nail plate together.
Sally Hansen
Nail Type
Base & Top Coats
Treatment Type


Click & collect

Free from John Lewis or Waitrose shops for collection tomorrow from 2pm
369 participating John Lewis and Waitrose shops

Collect + from a local shop from Monday - 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.


Find out more about returning products

Q & As

Rated 4 out of 5 by 2 reviewers.
Rated 3 out of 5 by Useful and effective This is very similar to the nail strengthening product brought out by Sally Hansen a few years ago. It seems to be reasonably effective although I think the price is a little too high. 03 March 2015
Rated 5 out of 5 by Does what it says on the tin Need I say more! Definitely made a difference when trying to grow your nails 22 April 2014
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Product code :


10  in stock