Nutritive Bain Satin 250ml by Kérastase is a gentle hydrating shampoo for dry hair. Dry hair is nourished and reinforced. The gentle formula of this protein shampoo deeply cleanses dry hair, and restores hair’s thickness and shine while improving moisture retention and softening hair. This moisturizing shampoo revitalizes and strengthens hair to fight against dehydration. Up to 44%* of immediate hydration & 72h of nutrition.