Kérastase strengthening shampoo for hair looking for healthy lengths. It strengthens weakened hair that tends to break, to provide better protection while the hair grows. The hair is thoroughly cleaned and becomes more resistant to breakage. - More elasticity & durability from the roots to the ends - Strengthens the hair's natural strength - Cleanses and stimulates the scalp - Gives shine to the lengths and ends - Prepares the hair for care - Lightly perfumed for a sensory cleansing.