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Keratine of nails: what is it for and how to strengthen it?

5 min to read

Well-maintained, beautiful and resistant nails hide a well-known secret from the pros: A keratin on top! This natural protein, an essential element of the single matrix, plays a key role in the appearance and strength of nails. But it is also fragile and can easily be affected by external aggression, too frequent manicures or health problems. To preserve it, we explain everything you need to know about the keratin of your nails!

What is nail keratin?

An essential protein

Keratin is a fibrous structural protein natural in hair, skin... and nails! Rich in sulphur and amino acids, it is about 90% of the nail plate.

It's within the nail matrix cells produce this protein of keratin. Keratin fibres accumulate and become stiffer gradually. That's what we call the Keratinization process which allows the nail to grow in a healthy and continuous way. Form then three layers superimposed linked to each other which constitute the nail plate:

  • a deep layer at the bed of the nail where keratinisation occurs,
  • an intermediate layer composed of flexible cells,
  • a surface layer made of hard cells.

Other elements are involved in this process and are essential to obtain a good quality keratin: water, lipids and minerals (mainly sulphur, iron, zinc). When the keratinization is done correctly, the nail surface is then smooth, shiny and resistant.

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Your nails are made up of 90% natural keratin. Take care of it!

What's his role?

Keratin plays a key role in the life of løongle. It guarantees:

  • The nail structure: Keratin fibres give the nail its natural shape and rigidity.
  • Healthy growth If keratin is of good quality and sufficient quantity, løongle grows regularly and without defects.
  • The protection of the matrix : the surface layer of keratin acts as a shield against external aggressions (shocks, humidity, frictions).
  • A base of hooks : a good keratin offers a better fit for classic varnishes or semi-permanent varnishes.

So we have everything to gain from preserving natural keratin from nails. Yes, but here it is, keratin is a living material, located at the interface between the matrix and the outside environment. So she's sensitive to everything that happens around her, inside and outside our body.

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With a good keratin, your varnish lasts longer!

When and how to strengthen the keratin of nails?

Warning signals of a weakened keratin

When the production of keratin is deficient or the keratin layers are not of good quality, effects on the nail are inevitable. They appear in staggered form, the time that the nail grows, and can take on different aspects:

These warning signals may be linked to various causes, internal and external :

💦 Overexposure to water or household products.

💅 Too frequent varnishing or too aggressive manicuring practices.

🍽️ Food deficiencies, especially in nutrients necessary for nail growth (minerals and essential vitamins).

🧘Health problems, emotional shocks that disrupt internal balance.

It is then time to adopt a targeted routine to boost keratin and find hard and clean nails.

Solutions to boost keratin

Keratine booster, the magic product for hardening nails

Better than the fortifying varnishes, the Keratine Booster is a hardening treatment which instantly strengthens soft nails and redensifies the løongle plate by stimulating natural keratin production. A performance due to a bio-mimetic formula and bio-based formula at 96.5%, concentrated in:

  • Plant keratin (10%) to feed in depth fragile nails and improve their resistance.
  • Biotin (Vitamin B8) to stimulate keratin production and prevent the risk of breakage and duplication.
  • AHAs and gluconolactone to promote cellular renewal and preserve natural hydration of nails.
  • Silicium to improve the flexibility of nails and promote better hydration.
  • Vitamin C to protect the nail from external aggressions thanks to its antioxidant properties.

👉 How does it work? During 5 to 7 days max, apply the Keratine Booster to bare nails, 1 to 3 times a day for intensive treatment. Its fluid texture without greased or sticky finish Enters instantly into løongle.

In terms of results, the dermatologically controlled clinical tests on a panel of 25 people are up to expectations with visible results from the first days of use:

Harder nails for 85% of the panel

Less split nails for 81%

More than 80% of our testers found their nails regenerated and more beautiful after their Keratine Booster treatment.

Day & Night routine: a repair duo

For a 24 hour action, opt for the Keratine Booster & combo Mask N/A, the alliance between day care innovative in repairing the ungual structure and night care which intensely moisturizes damaged nails.

👉 How does it work? During 1 week, use the Keratine Booster as day care. Apply it to bare nails 1 to 3 times a day and let it dry. In addition, apply the S.O.S. Mask. on bare nails and thick layer 2 to 3 nights of the same week. Let the air dry and remove it the next morning in peel-off or soapy water.

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The right reflexes for a keratin at the top

A quality keratin also passes through simple actions to adopt on a daily basis :

  • Moisturize and nourish your nails with vegetable oils such as sweet almond oil or castor oil. L-l-l-Green oil of the Manucurist is a complex of 6 botanical oils, ideal for daily nail and cuticle care.
  • Protect your nails when performing household tasks or handling chemicals and avoiding overexposure to water, especially when it is hot.
  • Make sure you eat balanced by integrating foods rich in biotin (eggs, almonds, beer yeast, avocado), sulphur amino acids (meat, fish, lentils), in zinc, iron and silicon (seeds, green vegetables, dried fruits).
  • Prefer a soft and durable manicure with quality products with bio-based formulas such as varnish Green™ and Green Flash™ for semi-permanent varnish addicts. Avoid the use of semi-permanent varnishes and when removing the varnish, use an acetone-free solvent such as the Soft solvent Green Flash™.

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Keep your keratin safe by adopting a gentle and respectful manicure routine.

Keratin fibers are the skeleton of your nails, the vital element that guarantees their strength and beauty. To avoid the inconveniences associated with a dark-bellied keratin, it is often enough to return to the essentials: good hydration, targeted care and manicure routine based on products designed to respect the very nature of the nail. So let's nail it