Top 10 Nail Hardeners

Discover the UK's favourite nail hardeners, see how shoppers rate them, and learn where you can buy them across 15 supermarkets.
1

What people say

2,642 reviews from 6 shops
“I would definitely purchase a second bottle of this so I'll have one in the nude shade and one in the neutral”
“Love this product! It really works and makes my nails feel more hard than usual and therefore they didn't break as easily as normal”

Where to buy

£5.49
£5.99
£7.95
+3
STORES
2

Where to buy

£2.62
£2.99
£4.99
+2
STORES
3

What people say

234 reviews from 6 shops
“This is such an incredible product that really exceeded my expectations! I was amazed how one coat instantly left my softer nails feeling strengthened while alleviating brittleness in others meaning all my nails felt super healthy”
“Very happy with the glossy finish too :)”

Where to buy

£4.99
£10.99
£10.99
+3
STORES
4

Where to buy

£8.00
£18.40
£22.00
+1
STORE
5

What people say

3,044 reviews from 4 shops
“I love how much this has improved my nail health and has also made me very proud to have natural nails I've noticed my nails look strong and healthy and I also find my ridges have dramatically improved”
“This product is incredible it makes your nails stronger and healthier and you can wear it alone or under nail polish”

Where to buy

£4.79
£7.00
£7.95
+1
STORE
6

What people say

31 reviews from 4 shops
“Love it! Gimme strength is helping to make my nails stronger”

Where to buy

£9.00
£9.00
£9.00
+1
STORE
7

Where to buy

£11.99
£21.50
£21.50
8

What people say

7 reviews from 2 shops
“I love the splayed brush - you can do a whole nail at once unlike most applicators”

Where to buy

£13.50
£16.50
9

Where to buy

£18.40
£22.00
£22.00
10

What people say

295 reviews from 4 shops
“Love the peachy colour”
“Love the subdued color”

Where to buy

£7.40
£11.00
£11.00
+1
STORE
11

What people say

3,782 reviews from 3 shops
“Love love love love ! Works so well ! Made my nails super strong and healthy ! Doesn't ruin your nails either it's amazing ! I would definitely recommend ! It's super easy to apply and goes on clear ! Sally Hansen Diamond Strength®”
“This is a super simple and easy way to help get your nails from thin and flimsy to strong and supported”

Where to buy

£7.29
£11.00
£11.00
12

What people say

834 reviews from 4 shops
“I love Essie nail varnish and I like the nail strengthen ones they have this pink tinted one makes my nails look vibrant and healthier and stronger its easy to apply and is quick drying and the packaging is great too”
“They are hard and super shiny! They've grown so much already and are looking so much stronger”

Where to buy

£9.99
£10.00
£10.00
+1
STORE
13

Where to buy

£12.33
£14.95
£15.00
14

Where to buy

£14.99
£16.50
15

What people say

295 reviews from 4 shops
“Love the look of the colour in the bottle the red looks so bold and glossy! When I applied it covered so well and easily without the need to double coat”
“I love the fact it is plant based and suitable for vegans”

Where to buy

£5.49
£5.93
£7.99
+1
STORE
16

What people say

6,149 reviews from 5 shops
“I love everything that has to do with nails and decided to go to cosmetology school to get better at everything even though I already new nail art but the basics of taking care of your nails comes with nourishing them and the cuticle to have healthy skin around the nail and help them grow healthy”
“Love this it! It's great for daily or weekly use”

Where to buy

£10.95
£11.00
£11.00
+2
STORES
17
Sally Hansen
Good.Kind.Pure Serum Hardener
10ml
Vegan
Not tested on animals

What people say

6,634 reviews from 5 shops
“I love that I got to try this product recently because my nails are long and healthy lol :) Easy to apply brush Only needed 2 coats No base or top coat needed Beautiful color Fast Drying Overall I was pretty pleased with this nail polish love that it's vegan and that it was super fast drying!”
“love the bright vibrant color safer to use nail polish”

Where to buy

£9.95
£9.99
£9.99
+2
STORES
18

Where to buy

£3.87
£4.00
£6.27
19

What people say

2,486 reviews from 5 shops
“I love how it makes my finger nails shiny has a beautiful coat makes my nails grow longer and faster love polishing my fingernails i have used Sally Hansen MAXIMUM GROWTH before a few times over the years it works great & very fast i love it just in a few days to week i have beautiful shiny long fingernails”
“I love my natural nails”

Where to buy

£4.10
£5.99
£7.95
+2
STORES
20

What people say

1 reviews from 1 shop
“I found this really easy to apply and not to long to dry! I like the fact my nails look healthier with a beautiful shine and I love how they no longer look brittle And as though my nails now have strength and protection”
“I think this miracle cure is absolutely amazing and my nails are looking and feeling so much better and reinforced too”

Where to buy

£8.00
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