Broken nails?

This is how you make them really stronger

Nails that keep breaking or splitting are frustrating. But with the right treatment you can strengthen them step by step, within 30 days.
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ABOUT HEROME

The nail expert in the Netherlands for more than 40 years. Now loved in more than 20 countries.

Herome was founded in 1982 by Margreet van Roemburg based on a simple but powerful idea: beautiful hands and nails should be possible for everyone. 

From nail hardeners and cuticle care to hand creams, nail polish, and our own Foot Care and Eye Care line: proven formulas with active ingredients, developed and produced cruelty-free in the Netherlands.
Available in more than 20 countries, from drugstores and salons to online, including France, Australia, the UAE, Japan, and Morocco.

Professional quality, without unaffordable prices. And the nail hardener where it all began? 
Still our best-selling product.


Why do your nails keep breaking?

You know the feeling: you do your best with your nails, but they still keep breaking. While washing dishes, typing, unpacking something. And then again... It's not your fault. Nails become brittle due to moisture, chemicals, gel removal, or simply a predisposition. A quick coat of polish does nothing then. What works: a nail treatment that rebuilds the nail plate, layer by layer. The Herome Nail Hardener does exactly that. There are three strengths, so you can always find the variant that suits your nails.


How do you use the Nail Hardeners?

The treatment works best if you apply it consistently to a clean, dry nail plate.

  1. Start with clean, dry nails. No polish, no oil.

  2. Apply a thin layer over the entire nail plate.

  3. Apply a second coat the next day.

  4. On the 3rd day, remove the two layers with the Caring Nail Polish Remover and repeat steps 2. & 3.

  5. Repeat this daily for 30 days.
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Before
After
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The Perfect Nail Care Routine

Strong, healthy, and well-cared-for nails start with the right routine. From gentle cleansing and careful filing to intensive care and nourishment: discover step by step how to keep your nails stronger, more flexible, and visibly healthier with the perfect Herome nail routine.

The perfect nail routine starts with a clean base. The Caring Nail Polish Remover gently removes nail polish without drying out the nails. The acetone-free formula helps maintain the natural condition of the nail and optimally prepares the nails for care.

Cutting can damage the nail and cause splitting. Because nails consist of different layers, filing is the best way to beautifully seal the nail edges. The Glass Nail File shapes the nails gently and precisely without damaging the natural structure.

For strong, healthy nails, use the Nail Hardener Extra Strong as an intensive 30-day treatment. The hardener helps strengthen soft, brittle nails and protects against splitting and cracking. Apply the treatment according to the step-by-step plan for the best results.

Healthy nails start with well-cared-for cuticles. Use the Cuticle Cream daily during the treatment to keep dry cuticles supple and cared for. The rich formula nourishes intensively and supports healthy nail growth.

Combine the hardening treatment with the Nourishing Nail Oil to keep nails strong and flexible. Use the oil during rest periods between treatments to intensively nourish the nails and prevent dryness. For extra care, the oil can also be applied under the nail. This way, the nails maintain their natural balance, resilience, and healthy appearance.

Which nail hardener suits you?

Choose based on your nail type:
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Nail Hardener Strong


For nails that break or split. The 30-day treatment strengthens your nail plate and makes your nails strong and resilient again.
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Go to the product:
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Nail Hardener Extra Strong


For severely weakened or damaged nails, e.g. after gel or acrylic removal. The intensive 30-day treatment restores even the most brittle nails.
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Go to the product:
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Nail Hardener Sensitive


For nails that break, split, or crack. The 30-day treatment strengthens your nail plate so that splitting nails and chipped corners become a thing of the past.
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Go to the product:
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Everything about the nail hardener

Frequently asked questions

What exactly is a nail hardener?

A nail hardener is an active nail treatment that strengthens the nail plate from within with active ingredients such as keratin or provitamin B5. Unlike a regular base coat, a nail hardener provides structural reinforcement: the nail plate becomes harder and less susceptible to breaking and splitting. You apply it daily during a treatment period of 30 days.

Which nail hardener do I choose?

The right choice depends on your nail type. Choose Nail Hardener Strong if your nails regularly break or split. Choose Extra Strong if your nails are extremely brittle and barely grow. Choose Sensitive if your nails are slightly damaged or sensitive, or if you are looking for a daily base coat that you can also use under colored polish.

How long does it take before I see results?

Most users notice that their nails feel firmer after two to three weeks. After the full 30-day treatment, the difference is clearly visible and palpable. For permanently stronger nails, repeat the treatment four times a year.

Does a nail hardener also work after gel removal?

Yes, but start with recovery first. After gel or acrylic removal, your nails are weakened. Therefore, start with the Exit Damaged Nails to repair your nails and only then switch to a nail hardener such as the Nail Hardener Extra Strong.