Wave goodbye to dandruff with the kerastase specifique bain exfoliant hydratant shampoo dry scalp a rehydrating shampoo for dry dandruff prone scalps inspired by skincare the anti dandruff moisturising shampoo is specifically formulated for dry scalps suffering with dandruff formulated with a combination of zinc pyrithione and microbeads the cleansing shampoo will gently exfoliate the scalp lifting away dandruff to reveal a scalp that feels clean and healthy the solution to your dand