American Crew Anti-Dandruff Shampoo - 6.76 oz. - American Crew Anti-Dandruff Shampoo is formulated for problem scalps. American Crew Anti-Dandruff Shampoo effectively promotes healthy-looking hair and scalp. The active ingredient, pyrithione zinc helps prevent the itching and flaking associated with dandruff. Additionally, American Crew Anti-Dandruff Shampoo cleanses, conditions and moisturizes the hair and scalp. American Crew Anti-Dandruff Shampoo is best when used with American Crew Daily Conditioner.