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MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland |

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland |

Regular price $32.99 USD
Regular price Sale price $32.99 USD
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  • Winner of the Prevention Best of Beauty Award for Best Nail Strengthener, recognized for its proven effectiveness in repairing and strengthening damaged, brittle nails. Build strongr, healthier nails – Say goodbye to weak, brittle nails! MAVALA Scientifique K+ hardens and strengthens the nail tip, reducing breakage and helping your nails grow beautifully long.
  • Powerful Nail Hardener – Our scientifically advanced formula reinforces the nail plate by bonding keratin fibers together, making nails more resistant to daily wear and tear.
  • Natural Strengthening Ingredients– Enriched with crystal resin tears from the pistachio mastic tree, this formula supports the natural keratinization process, reinforcing nails from within.
  • Prevents Breakage and Splitting – Perfect for soft, peeling, or damaged nails, this treatment helps prevent chipping, cracking, and splitting so you can maintain flawless nails and long-lasting manicures.
  • Easy and Effecive Application – Simply apply a thin layer to the center of the nail and extend to the tip. Dries quickly and works instantly—just follow with your favorite base coat, polish, and top coat.
  • Vegan and Cruetly Free – We never test on animals and use only 100% vegan ingredients, so you can feel good about your nail care routine.

Product Description

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

There is no need to present you our bestseller, the Mavala Scientifique K+

Its formula hardens the nail plate by sealing together the three layers of the nail and thus allowing splitting, soft and therefore brittle nails, to regain their normal appearance, strength and shine. And for easier application, it is also available in a handy pen format.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

Grow your Nails for a Strong, Beautiful, and Natural Style - Perfect for a French Manicure

MAVALA SCIENTIFIQUE K+ hardens the nail plate thanks to a scientific active ingredient that improves the cohesion of keratin fibres thus allowing the three principal nail layers to bond together. It also contains crystal resin tears, a gum extracted from the pistachio mastic tree that helps the natural keratinization process of nails, reinforcing them. This penetrating aqueous solution, that is neither a base nor a nail polish, hardens soft nails and avoids them breaking or splitting.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

Application

Apply MAVALA SCIENTIFIQUE K+ from the centre of the nail to the tip only. Avoid touching cuticles and skin around nails, in order not to harden them as well. Leave to penetrate for one minute, by holding hands downwards so that the product does not run onto the cuticles.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

World Famous Nail Hardener

Mavala Scientifique K+ hardens the nail plate thanks to a scientific active ingredient that improves the cohesion of keratin fibers thus allowing the three principal nail layers to bond together.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

Diamond Hard - Prevents Nail Breakage

Mavala nail hardener helps keep the tip of the nail - the most fragile, unprotected part - from breaking easily.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

Combine with your Favourite Polish

Apply 2-3 times a week on clean nails from center to end (not to the whole nail). Quickly absorbs. Easy handling. Next deired polish layers can be applied.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

Decades of Results

Designed with over 60 years of experience in the nail care industry by MAVALA experts.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

Nail Care at its Finest

The tip of the nail is the most fragile, most unprotected part and breaks easily. This is therefore the part of the nail to be strengthened.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

Before and After Results

Protect cuticles and skin around nails with grease or oil before application. Never apply under nail tips, on cuticles, on skin, this is to avoid skin hardening. Otherwise, wipe it off with a damp cotton wool.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

Strong, Long, Beautiful Nails

Its application can be followed by your usual manicure (base coat, nail polish, top coat). Use two to three times a week until nails have obtained the desired hardness. Then, you may space out the applications.

MAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which MarkMAVALA Scientifique K+ | Nail Hardener & Strengthener | Pro Kertain | All natural ingredients penetrating nail hardener | Cruelty Free & Vegan | Quick Results| 5 mL | Easy Application | Premium Swiss Nail Care | 100% Made in Geneva, Switzerland | - Which Mark

The Gold Standard of Nail Hardeners

Formulated with 90% of natural origin ingredients. Contains Dimethylurea, a hardener of the nail keratin, and Crystal resin tears, from the pistachio mastic tree, native from the island of Chios in Greece. This gum extract supports the natural keratinization process of nails - the nail plate will become richer in keratin & more resistant.

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