Hardening treatment for fragile and thin nails. Enriched with biotin that stimulates and strengthens natural keratin. caffeine and AHA that recovers and rejuvenates the nail surface. Vitamin C and B5 that deeply moisturize and nourish, in addition to protecting.
 Patented hardening compound, scientifically proven to harden and improve the general condition of nails. Invisible effect. Creates a protective shield that prevents breakage.
 Apply twice a week to promote strong nails.