Kerastase Nutritive Bain Magistral Shampoo is a deeply nourishing shampoo for severely dried-out hair.Kerastase Nutritive Bain Magistral Shampoo benefits: Removes impurities Prepares hair before treatment Nourishes the hair Gives it a smooth and soft touch, an extremely supple texture and a radiant shine. Makes it highly manageable Eases detangling.