The miracle hardening care that instantly strengthens and helps regenerate soft or damaged-looking nails. Highly concentrated in plant-based keratin, silicon and biotin, this biomimetic formula helps densify the nail plate. Its fluid texture is instantly absorbed by the nail for deep, targeted action. 10% concentrated care formula Plant-based Keratin: intensely nourishes fragile nails AHA & Gluconolactone: gently exfoliate the nail plate Silicon: helps strengthen the nail Biotin (Vitamin B8): helps harden and fortify the nail Vitamin C: protects the nail from external aggressions Proven visible results 85% find their nails harder* 81% find their nails stronger* 81% find their nails were less likely to split* Easy and fast application: The alcohol-based fluid texture is instantly absorbed, leaving the nail with no greasy or sticky finish.