Fight back against dandruff with American Crew Anti Dandruff Shampoo. Actively promoting healthy looking hair and improved scalp condition, this flake fighter leaves you feeling totally refreshed, thoroughly cleansed and without a spec of dandruff in sight. With the active ingredient zinc pyrithione, American Crew Anti Dandruff Shampoo helps to prevent the itching and flaking associated with dandruff. As it fights these irritations, the shampoo cleanses, conditions and moisturises your hair and scalp. Directions of use: Wet hair thoroughly. Massage a small amount into your hair and scalp. Rinse thoroughly. Repeat if necessary. For best results, use at least twice a week.