Ducray Squanorm Anti dandruff shampoo for dry hair gentle shampoo specifically formulated to minimize dry dandruff, this specific form of dandruff appears as fine, white or grey flakes that detach from the scalp on their own and must be fought with specific ingredients such as pyrithione zinc and glycerin which are present in this shampoo, the creamy formula provides rapid and long lasting action against dry dandruff and all the while cleansing and moisturizing the scalp for extra comfort