Kérastase Résistance Bain Extentioniste Shampoo is a strengthening shampoo designed for weakened, damaged hair prone to breakage. Its fortifying formula gently cleanses the scalp and hair while helping reinforce strands from root to tip, reduce breakage, and support stronger, healthier-looking lengths. Ideal for those looking to grow longer, more resilient hair.

Length strengthening shampoo for slow growing, damaged lengths.