Best Nagelhärter Lack 2026

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Last Updated - 22.07.2026

Best Choice

01

PODERM

PODERM Nail Hardener Polish - Gloss Shine | Repairs and Strengthens Damaged and Weakened Nails with Semi-Permanent Nail Polish | Biotin and Keratin | Developed by a Podiatrist in Switzerland

13% Off

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9.9

Exceptional

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With important ingredients: Enriched with keratin, biotin and silicon, the Color Strong varnishes combine three key active ingredients to improve nail strength. This combination helps to strengthen the nail structure and contributes to a healthier, hydrated and stronger appearance.
Visible nail quality: with regular use, the nails gain resistance and look healthier. The nail surface appears smoother and more even. The nails grow under better conditions and are more resistant to external influences.
Strengthens, protects and lasts long: Colour Strong care varnishes strengthen and support the regeneration of brittle, soft, grooved or brittle nails. The nails become more resistant to daily stresses and benefit from a long service life. The breathable formula allows for use together with PODERM oil serums for a complete care routine.
Precise application and smooth fine: Apply to clean, dry nails with the precise brush that adapts to the nail width. Provides an even, streak-free result on fingernails and toenails.
Designed by a podiatrist: PODERM is a pioneer in professional foot and nail care, developed by an experienced podiatrist and manufactured in Switzerland according to the strictest phars. MacMacMacMacMacMacMacS Guarantees the highest safety, effectiveness and medical quality. Professional care for the home.

16,50 € 18,99 €(13% Off off)
02

Manucurist

Manucurist Base SOS Nail Hardener Test Winner Enriched with Vitamin C and B5 Nail Hardener Repairs and Strengthens Brittle Nails Base Coat Nail Polish Care for Damaged Nails Nail Repair

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9.7

Exceptional

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Ultra-fast regeneration of damaged nails: The Base S.O.S is the care base coat for heavily damaged, brittle or split nails. It strengthens and restructures the nail plate and provides it with nutrients. Use the base coat S.O.S and give your heavily damaged nails new life in just one week. Experience healthy, strong and revitalised nails thanks to this innovative and effective nail care.
Maximum moisture and strengthening: the S.O.S nail polish base is rich in vitamins B5, C and AHA, provides deep moisture and strengthens your nails from the first application. A nail hardener extra strong for extra strong, flexible and healthy nails.
Made in France: At Manucurist it is important to us to offer you nail polishes, care products and nail products for your nails that are as healthy as possible. Manucurist offers bio-based, vegan nail products in environmentally friendly packaging, without toxic ingredients.
How to use it: Can be used as a treatment or classic base coat under green nail polish - a real 2-in-1 product! As an intensive treatment, apply twice a week to the previous coat without removing it to maintain healthy and regenerated nails.
78% ORGANIC SOURCED INGREDIENTS FORMULA Choose this vegan, ethical and eco-friendly product with 78% bio-sourced ingredients. Manucurist is the brand committed to responsible beauty and a sustainable future.

15,00 €
03

gelike ec

Gelike ec Nail Hardener Growth Nail Groove Filler: 6 in 1 Nude Pink Nail Strengthener Repair for Thin Damaged and Brittle Nails

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Please do a skin test before use, if you feel uncomfortable, stop using immediately. If you have any questions, please feel free to contact us by email.
Multifunctional 6 in 1 nail hardener - Can be used as a nail enhancer for daily protection of natural nails, helps protect and strengthen the nails to make them healthy, natural and shiny.
Gelike ec Nail hardener. No UV light required: naturally air dry. Apply 2-3 layers and wait 2-3 minutes between each layer, saving time.
Gelike ec Nail hardener. Easy to use, covers and protects nails, strengthens weak nails, soft brush design, easy to apply, not easy to smear.
Gelike ec 6 in 1 Nail Hardener: Made with a natural, organic formula mainly composed of keratin and jojoba oil and nourishes your nails. Organic, vegan, cruelty free, acetone-free, fragrance-free, for everyday home salon.
6 in 1 nail hardener growth nail groove filler - can repair damaged nails, including weak, soft, brittle or cracked nails, prevents cracks and repairs nails. It can also be used as a nail polish gel or base coat.

7,99 €
Value for Money

04

Artdeco

Nail care by Artdeco - diamond hardener 10 ml

29% Off

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Quick Results The Diamond Hardener instantly strengthens nails, protects against tearing and ensures stable nails.
PROTECTIVE LAYER FOR YOUR NAILS: The special varnish forms a protective layer that protects the nails from breakage and cracking.
Formaldehyde free: The nail hardener contains no formaldehyde, is gentle on the nail structure and ideal for sensitive nails.
Diamond Dust Nail Hardener: Unique formula with diamond dust for instantly harder nails - protects and strengthens
Active ingredient combination: enriched with diamond dust and aldehyde hexanal for optimal strengthening and hardening of nails.

7,79 € 10,95 €(29% Off off)
05

essie

essie Nail Hardener for Naturally Radiant, Shiny and Stronger Nails, Vegan Formula without Ingredients of Animal Origin, Hard to Resist, Pink Ink, 1 x 13.5 ml

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Vegan formula: no ingredients of animal origin and without formaldehydes, easy and clean removal of the polish with nail polish remover
Transparent nail hardener to protect against daily wear and tear, with pink undertone for naturally radiant fingernails
Result: naturally beautiful and immediately protected nails with healthy shine, after 3 days less brittle nails
Directions for use: apply two coats to clean, dry nails, for optimal results, apply the strengthening nail polish for 3 days throughout
Box contents: 1x essie nourishing nail polish, hard to resist (purple), colour: transparent, finish: natural, capacity: 13.5 ml, weight: 58 g, H x W x D: 9 x 5 x 3 cm, B3417300

11,95 €
06

Sally Hansen

Sally Hansen Hard as Nails with Nylon Nail Treatment Formula, Packaging May Vary, Nude, 13 ml

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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High quality cosmetic product from a renowned manufacturer

5,77 €
07

gelike ec

Gelike ec Nail Hardener Growth Nail Groove Filler: 6 in 1 Pearlescent White Nail Strengthener Repair for Thin Damaged and Brittle Nails

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Please do a skin test before use, if you feel uncomfortable, stop using immediately. If you have any questions, please feel free to contact us by email.
Multifunctional 6 in 1 nail hardener - Can be used as a nail enhancer for daily protection of natural nails, helps protect and strengthen the nails to make them healthy, natural and shiny.
Gelike ec Nail hardener. No UV light required: naturally air dry. Apply 2-3 layers and wait 2-3 minutes between each layer, saving time.
Gelike ec Nail hardener. Easy to use, covers and protects nails, strengthens weak nails, soft brush design, easy to apply, not easy to smear.
Gelike ec NAIL HARDENER - Made with a natural, organic formula that is mainly keratin and jojoba oil that provides your nails with nutrients. Organic, vegan, cruelty free, acetone-free, fragrance-free, for everyday home salon.
6 in 1 nail hardener growth nail groove filler - can repair damaged nails, including weak, soft, brittle or cracked nails, prevents cracks and repairs nails. It can also be used as a nail polish gel or base coat.

7,99 €
08

essie

Essie Hard to Resist Advanced Nail Strengthener, Professional Nail Hardener for Stronger, Healthier Nails, Protects and Improves the Resilience and Appearance of Nails

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The nail hardener strengthens soft and damaged nails with MSM technology
The nail hardener counteracts brittle nails as well as breaking off - for strengthened nails in no time
The essie hard to resist advanced nail strengther has a clinically tested, clear formula for weak, damaged nails
Thanks to the hard to resist advanced nail strengthener, the nails become more resistant to damage and dryness
In just three days, nails look healthier and stronger thanks to the nail hardener

11,95 €
09

Essence Cosmetics

Essence 10-in-1 Nail Repair Strengthening Treatment Transparent 8 ml

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

We say no to animal testing; cosnova is internationally listed with essence and Catrice both at Peta Germany and Peta
Vegan, no microplastic particles, no preservatives, no perfume, no parabens, nanoparticles free
Transparent texture is easy to apply
Strengthening 10-in-1 nail care for strong, healthy fingernails
Can also be used as a base coat and after removing UV gel nails or an acrylic manicure

2,95 €
10

MIZHSE

MIZHSE Pink Nail Hardener with Colour 4 in 1 Smoothing Base Coat for Nails Repair and Protect, Nail Hardener Extra Strong for Brittle Nails, Nail Growth Serum Nail Care Products, Base Coat 16 ml

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Safe formula: contains no harmful substances, natural organic formula, including keratin and jojoba oil, supplements nails with calcium and nutrients
Nail care: it smooths bumps and bumps on the nail surface, prevents discolouration and makes the nails smooth, even and even, giving them a natural colour
Multifunctional nail hardener: as a nail strengthener for the daily protection of natural nails, it helps to strengthen nail strength. As a nail filler, it provides a full, shiny nail surface with natural colour after application, making nails look healthier
Important note: please perform a skin test before use. If you feel discomfort, stop using immediately. If you have any questions, please contact us at any time by email. Our professional customer service team will help you solve your problem multifunctional quickly and efficiently
Fingernails strengthen nail polish: it can repair damaged nails, including brittle, split, peeling, thin, brittle or cracked nails. For a better result, we recommend using it every 3 days

6,99 €