Nail Hardener & Base Coat
Nail Hardener & Base Coat

Nail Hardener & Base Coat

a fortifying foundation for healthier, stronger-looking nails
Holiday Sale: 25% OFF! Use code JOY25
Rated 4.9 out of 5
Based on 145 reviews
Regular price $20.00
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Only 2557 items in stock!

12ml / .4 fl oz

A dual-action formula that combines the best of botanicals and science to create the ultimate base coat for weak, brittle nails. Designed to condition, shield, and provide a durable surface for optimal polish wear, this base coat goes beyond just being a primer: it cares for nails below the surface, too.

  • Formulated without: Formaldehyde, Toulene, DBP, Camphor, Ethyl Tosylamide, Acetone, Formaldehyde Resin
  • Vegan, gluten-free, cruelty-free

Start with clean nails. Apply one thin, even coat to bare nails. Follow with 1-2 coats of lakur and any kur® top coat as a final touch.

Ethyl Acetate, Butyl Acetate, Alcohol Denat., Nitrocellulose, Isopropyl Alcohol, Adipic Acid/Neopentyl Glycol/Trimellitic Anhydride Copolymer, Acetyl Tributyl Citrate, Trimethyl Pentanyl Diisobutyrate, Sucrose Acetate Isobutyrate, Etocrylene, Brassica Campestris (Rapeseed) Seed Oil, Oenothera Biennis (Evening Primrose) Flower Extract, Tocopherol (Vitamin E), Retinyl Palmitate (Vitamin A), Allium Sativum (Garlic) Bulb Extract, Aqua, Butylene Glycol, Saccharomyces/Iron Ferment, Dimethicone, Calcium Pantothenate, CI 60725, Biotin, Chamomilla Recutita (Chamomile) Flower Extract, Tocopheryl (Vitamin E) Acetate, Carthamus Tinctorius (Safflower) Seed Oil, Cucumis Sativus (Cucumber) Fruit Extract

average rating 4.9 out of 5
Based on 145 reviews
  • 5 Stars
    135 Reviews
  • 4 Stars
    8 Reviews
  • 3 Stars
    2 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
99% of reviewers would recommend this product to a friend
Customer photos and videos
145 Reviews
Reviewed by Anna-Sofi
Verified Reviewer
I recommend this product
Age Range
45 - 54
Pros
  • Would Purchase Again
  • Exceeds Expectations
  • Performs as Described
  • Smells Great
  • Gentle
Rated 5 out of 5
Review posted

Unbelievable product! Amazing!

I live and work in the UK and my nails are thin, brittle and weak, always! I work in a specialist school and wash my hands and nails a hundred times a day. I went back to Norway to see my mum, she had recently purchased the kur Nail Hardener and I borrowed it. Amazing result!I have now purchased one for myself, my nails look instantly better, feel harder and I am so glad I got this product that does not contain any nasty additives. Highly recommended! Will be buying more, definitely!

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Reviewed by Nidia G.
Verified Buyer
I recommend this product
Age Range
25 - 34
Pros
  • Would Purchase Again
  • Smells Great
Rated 5 out of 5
Review posted

excelente!

muy bueno en 7 días se ven los resultados

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Reviewed by Mary S.
Verified Buyer
I recommend this product
Age Range
65+
Pros
  • Exceeds Expectations
Rated 5 out of 5
Review posted

Londtown Products are the Best!

My manicure lasts so long (a week at least, without chipping).

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Reviewed by Johanna O.
Verified Buyer
I recommend this product
Age Range
55 - 64
Pros
  • Exceeds Expectations
Rated 5 out of 5
Review posted

A nail hardened that works

I usually don't use nail hardened because they dry the nail out and make them brittle. I've only used this one a few times so far but it hasn't done that, but has made my nail stronger.

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Reviewed by Domenica Y.
Verified Buyer
I recommend this product
Age Range
65+
Pros
  • Exceeds Expectations
Rated 5 out of 5
Review posted

Great product

My mani has lasted 2 weeks with no chipping what so ever.

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Reviewed by Susan E.
Verified Buyer
I recommend this product
Age Range
65+
Pros
  • Performs as Described
  • Smells Great
  • Would Purchase Again
Rated 4 out of 5
Review posted

Mail Hardener

I love all the Londontown products I have tried! The nail hardener and Base Coat really helps to maintain your polish!

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Reviewed by candace h.
Verified Buyer
I recommend this product
Age Range
45 - 54
Pros
  • Performs as Described
  • Exceeds Expectations
  • Would Purchase Again
Rated 5 out of 5
Review posted

Essential

This product allows nails to take life’s toil & stress & allows them protection & gloss. It’s a shield from the elements.

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Reviewed by Darlene W.
Verified Buyer
I recommend this product
Age Range
65+
Pros
  • Would Purchase Again
  • Performs as Described
Rated 5 out of 5
Review posted

My nails have never been this hard

Love this my nails usually break very easily and with this I haven't had any to break.

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Reviewed by Pam B.
Verified Buyer
I recommend this product
Age Range
55 - 64
Pros
  • Performs as Described
  • Exceeds Expectations
Rated 5 out of 5
Review posted

Great!

My nails have been peeling the last couple months. It stopped when I began using this!

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Reviewed by Susan L.
I recommend this product
Age Range
55 - 64
Pros
  • Smells Great
  • Conditions
  • Performs as Described
  • Exceeds Expectations
  • Would Purchase Again
Rated 5 out of 5
Review posted

Great healthy product.

I have purchased two bottle of this nail hardner and I will continue to purchase again before I have a chance to run out. My nails were so weak before finding this company and ordering this nail hardner. They are now becoming stronger in a healthy way. If your nails are weak and fragile order this nail hardner and you will see a difference. Please be patient it will not happen overnight or a week. It is a gradual and healthy strengthening. I hope you will be happy with the results.

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