Liquid Keratin for Hair, Intense Reconstruction, Repair, Hair Shine 250 ml This liquid keratin for hair is the secret to achieving soft, shiny, and silky-smooth hair. The sulfate-free formula enriched with Brazilian keratin deeply nourishes the hair, strengthens its structure, and restores its natural elasticity. This liquid keratin acts as a protective barrier against external aggressions such as heat, UV rays, and pollution. It can be used on all hair types and is particularly suitable for damaged, brittle, and dull hair. Apply this liquid keratin to wet hair, gently massage, then leave on for a few minutes before rinsing thoroughly with clear water. You will achieve soft, silky, and easy-to-style hair in no time.