Sally Hansen Diamond Flash Fast Dry Top Coat, 13.3ml

Product information

A fast drying protective top coat from Sally Hansen. Leaves nails looking glossy and protected from chips and scratches.
Sally Hansen
Nail Type
Base & Top Coats


  • Click & collect

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

    Collect + from a local shop from tomorrow, postcode exclusions apply
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  • UK delivery

    Standard delivery within 5 working days
    Named or Saturday UK delivery
    Named day UK delivery pre-10.30am
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  • 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 4.3 out of 5 by 10 reviewers.
Rated 5 out of 5 by Super product This is a super product, it dries nails almost immediately and protects your nail varnish from chipping etc. 20 April 2016
Rated 5 out of 5 by Works great and no chips yet! I painted my nails on Friday and wanted them to dry fast so I went out in search of a fast drying top coat. I am a fan of Sally Hansen products so I thought I would try this one out. I put on a movie when I do my nails and sometimes by the end of the movie, my nails aren't dry yet. Well, with Diamond Flash, my nails were dry way before the end of the movie and they were rock hard! I went to sleep right after and when I woke up, there were no marks or wrinkles embedded in the paint. I also have a job where my nail polish gets easily chipped. So far, no chips. This seems to be a hard top coat. We will see how long it lasts but so far, I am in love with it! 22 February 2016
Rated 5 out of 5 by Fab I was a dedicated MegaShine user but it was out of stock so I chose this as a replacement. And what a great choice it was, Extends the life of nail varnish by about a week, and if you put another coat of varnish followed by a coat of this, a home manicure can last 2 weeks - result :) 28 July 2015
Rated 1 out of 5 by Peels off within a couple hours I am so disappointed that I wasted money on this. I first applied direct to my nails just to have something on them. Within an hour of drying, it started peeling. So the next day, I did my nails (that looked fantastic!) and applied this as the "top coat" and allowed an hour of drying time because i didn't want to mess them up. Sure enough, 3 hours later, all the polish started peeling and all that time was wasted! 20 July 2015
Rated 5 out of 5 by This is the best1 By far in my own experience this is a terrific top coat. I do admit that I have not used all of the Sally Hansen top coats because there are so may of them. I had used the Mega shine and it was fine as long as you only used 2 coats. After that I found that it curled up and peeled right off. The Diamond flash is very shiny like Mega Shine but does not peel off (at least on me it doesn't). My mani and nail art last 2 weeks and I can use a new top coat if I need one without it peeling. I work hard so my nails get pretty beat up during the week and it still lasts me for 2 weeks, can't beat that!! 15 November 2014
Rated 2 out of 5 by Not good for all nails I have been using Sally Hansen for years. Way before I become a licensed Master Cosmetologist. I bought this because I did not want to make an extra trip to the salon supply shop for my usual top coat but often times Sally Hansen top coats are as good as Seche Vite or Poshe. Not this time. This top coat seems not to like artificial nails I have artificial nails and this dried shiny on part of the nail and then cloudy on the nail edge. It is fast drying but if it doesn't look shiny ALL THE WAY down the nail it isn't that great of a top coat. However, it has done well for manicures on natural nails. Overall, I will not be using this or recommending this top coat to peers, clients, or friends & family. A top coat should behave the same on natural and artificial nails. For this top coat to behave this way is unacceptable when I an get Seche Vite or Poshe for less. 30 July 2013
Rated 5 out of 5 by Totaly awesome shine lasts for weeks and drys very fast LOVE IT!! 02 June 2013
Rated 5 out of 5 by Great topcoat! I bought this after not being able to find the other SH topcoat I was looking for & boy am I happy! This shines like you won't beleive & my manicure lasts! 20 August 2012
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