Bain Hydra-Glaze by Kérastase is a hydra-illuminating shampoo for long hair prone to frizz. It's specifically formulated with hyaluronic acid, glycolic acid and wild rose in oil to deliver bouncy, glossy hair. Hair feels longlastingly clean Up to 4-DAYS Anti-Frizz* Up to 4-DAYS Glossy hair* *Consumer test, 103 consumers. Its high foaming gel-like formula cleanses scalp & fiber surface to reveal the ultimate shine. Smooths hair cuticles to create an ultra-smooth surface. Work through wet hair. Rinse thoroughly.