Kérastase Specifique Argile Equilibrante balances sebum production. It removes dirt and impurities. Deep cleanses the scalp and hair and gives hair 74.3% more volume. Nourishes the hairGives volume to the rootsRefreshes and energizes the scalp Directions for use: Apply 1 time a week to the roots of wet hair, emulsify to the lengths of the hair. Rinse thoroughly.