Best Nagelhärter Lack 2026

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Last Updated - 27.03.2026

Best Choice

01

PODERM

PODERM Base Coat Nail Hardener with Biotin, Silicon, Keratin - Strengthens and Ensures Long-Lasting Colours on Brittle Nails Damaged by Permanent Paint - Swiss Made

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17% Off
9.9

Exceptional

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

PROVIDES PERFECT PAINTING: By creating a smooth and even surface on the nail, the base coat adheres better to the nail polish, which reduces the risk of chips and peeling.
BREATHABLE, COMPLEMENTING TO PODERM OIL SERUS: The Color Strong Base ensures the maintenance of healthy nails and allows PODERM oil serums to continue to treat one or more damaged nails.
Up to 85% natural ingredients: enriched with keratin, silicon and biotin, the Color Strong Base is unique on the market. Care for your nails with the Color Strong Base.
Tips for use: apply 1 layer of base coat to a clean and dry nail, either alone or before applying a varnish from the Color Strong range. The base is suitable for all nails (hands and feet).
Protective base coat: the colour strong base protects, strengthens and nourishes yellow and damaged nails and ensures perfect adhesion of your Color Strong nail polish. In addition, it also makes it easier to apply and remove the paint.

13,99 € 16,90 €(17% Off off)
Value for Money

02

PODERM

PODERM Base Coat Nail Hardener with Biotin, Silicon, Keratin - Strengthens and Ensures Long-Lasting Colours on Brittle Nails Damaged by Permanent Paint - Swiss Made

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26% Off
9.8

Exceptional

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

PROVIDES PERFECT PAINTING: By creating a smooth and even surface on the nail, the base coat adheres better to the nail polish, which reduces the risk of chips and peeling.
BREATHABLE, COMPLEMENTING TO PODERM OIL SERUS: The Color Strong Base ensures the maintenance of healthy nails and allows PODERM oil serums to continue to treat one or more damaged nails.
Up to 85% natural ingredients: enriched with keratin, silicon and biotin, the Color Strong Base is unique on the market. Care for your nails with the Color Strong Base.
Tips for use: apply 1 layer of base coat to a clean and dry nail, either alone or before applying a varnish from the Color Strong range. The base is suitable for all nails (hands and feet).
Protective base coat: the colour strong base protects, strengthens and nourishes yellow and damaged nails and ensures perfect adhesion of your Color Strong nail polish. In addition, it also makes it easier to apply and remove the paint.

12,59 € 16,90 €(26% Off off)
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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15% Off
9.6

Exceptional

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 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.

6,79 € 7,99 €(15% Off off)
04

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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15% Off
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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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 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.

6,79 € 7,99 €(15% Off off)
05

Artdeco

Nail care by Artdeco - diamond hardener 10 ml

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24% Off
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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Main highlights

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.

8,31 € 10,95 €(24% Off off)
06

Artdeco

Nail care by Artdeco - diamond hardener 10 ml

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32% Off
9.2

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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Main highlights

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.

7,48 € 10,95 €(32% Off off)
07

modelones

Modelones Nail Hardener Extra Strong 8-in-1 15 ml, Nail Care Products, Nail Hardener for Brittle Nails, Groove Filler, Nail Repair, Nail Growth Formulas, Nail Strengthener, Nail Hardener, Nail Oil

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9.0

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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Main highlights

Safe formulated, safe for your nails: Free from harmful substances, natural organic formula including keratin and jojoba oil, which supplement the calcium and nutrients required by the nails. 5-free: phthalate-free, acetone-free, formaldehyde-free, fragrance-free, cruelty-free.
Perfect burr filler: It can smooth your burrs or bumps on the nail surface and prevent discolouration, make your nails shiny, even and smooth and show a natural tint.
Nail strengthening varnish with strong effect: It can repair damaged nails that are weak, split, chipping, thin, brittle or cracked. For better effect, we recommend using it every 3 days.
Multifunctional nail repair kit: As a nail enhancer for daily protection of natural nails, it contributes to stronger nails. As a burr filler, the surface of the nails will be full and shiny after application and have a natural shade, making them look healthier.
Customer service: a skin test is required before use. Stop using immediately if you feel uncomfortable. Please feel free to contact us by email if you have any problems. We have a professional customer service team that can solve the problems faster and more effectively for you.

8,99 €
08

modelones

Modelones Nail Hardener Extra Strong 8-in-1 15 ml, Nail Care Products, Nail Hardener for Brittle Nails, Groove Filler, Nail Repair, Nail Growth Formulas, Nail Strengthener, Nail Hardener, Nail Oil

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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

Safe formulated, safe for your nails: Free from harmful substances, natural organic formula including keratin and jojoba oil, which supplement the calcium and nutrients required by the nails. 5-free: phthalate-free, acetone-free, formaldehyde-free, fragrance-free, cruelty-free.
Perfect burr filler: It can smooth your burrs or bumps on the nail surface and prevent discolouration, make your nails shiny, even and smooth and show a natural tint.
Nail strengthening varnish with strong effect: It can repair damaged nails that are weak, split, chipping, thin, brittle or cracked. For better effect, we recommend using it every 3 days.
Multifunctional nail repair kit: As a nail enhancer for daily protection of natural nails, it contributes to stronger nails. As a burr filler, the surface of the nails will be full and shiny after application and have a natural shade, making them look healthier.
Customer service: a skin test is required before use. Stop using immediately if you feel uncomfortable. Please feel free to contact us by email if you have any problems. We have a professional customer service team that can solve the problems faster and more effectively for you.

8,99 €
09

PODERM

PODERM Nail Hardener Polish with Biotin, Silicon and Keratin - Strengthens and Repairs Damaged, Weakened, Brittle Nails with Gel Nail Polish, Ageing - Gloss Shine - Hands & Feet - Swiss Made

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37% Off
8.7

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

Strengthens and regenerates brittle nails: The Color Strong care polishes strengthen brittle, soft, striped or splinter-prone nails. By promoting vigorous regrowth, your nails become more resistant to daily stresses and grow healthier and faster. Enriched with keratin, biotin and silicon, our care polishes strengthen and protect your nails.
Long-lasting effect: available in 8 timeless colours, the precise brush adapts perfectly to the shape of the nail and allows for even and streak-free application for a professional result. The Color Strong varnishes can be easily removed thanks to the extra-gentle nail polish remover from Poderm, which removes the polish and leaves the nail shiny and nourished thanks to its acetone-free formula.
Enriched with keratin, silicone and biotin: The Color Strong care varnishes from PODERM are enriched with keratin, biotin and silicon. In combination, these three ingredients allow you to regain hard and resistant nails. With the Color Strong care polish, beauty goes hand in hand with care, for well-groomed and healthy nails. Experience hydrated and strengthened nails.
BREATHABLE, COMPLEMENTING TO PODERM OIL SERS: This nail polish ensures the maintenance of healthy nails and allows PODERM oil serums to pass through to continue treating one or more damaged nails. Suitable for all nails, feet and hands, for diabetics, pregnant women and children.

11,89 € 18,99 €(37% Off off)
10

PODERM

PODERM Nail Hardener Polish with Biotin, Silicon and Keratin - Strengthens and Repairs Damaged, Weakened, Brittle Nails with Gel Nail Polish, Ageing - Gloss Shine - Hands & Feet - Swiss Made

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44% Off
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.

Show more
Main highlights

Strengthens and regenerates brittle nails: The Color Strong care polishes strengthen brittle, soft, striped or splinter-prone nails. By promoting vigorous regrowth, your nails become more resistant to daily stresses and grow healthier and faster. Enriched with keratin, biotin and silicon, our care polishes strengthen and protect your nails.
Long-lasting effect: available in 8 timeless colours, the precise brush adapts perfectly to the shape of the nail and allows for even and streak-free application for a professional result. The Color Strong varnishes can be easily removed thanks to the extra-gentle nail polish remover from Poderm, which removes the polish and leaves the nail shiny and nourished thanks to its acetone-free formula.
Enriched with keratin, silicone and biotin: The Color Strong care varnishes from PODERM are enriched with keratin, biotin and silicon. In combination, these three ingredients allow you to regain hard and resistant nails. With the Color Strong care polish, beauty goes hand in hand with care, for well-groomed and healthy nails. Experience hydrated and strengthened nails.
BREATHABLE, COMPLEMENTING TO PODERM OIL SERS: This nail polish ensures the maintenance of healthy nails and allows PODERM oil serums to pass through to continue treating one or more damaged nails. Suitable for all nails, feet and hands, for diabetics, pregnant women and children.

10,70 € 18,99 €(44% Off off)