Size:4 Fluid Ounce Fight dandruff outbreaks with Nizoral A-D Anti-DandruffShampoo. This powerful shampoo controls flaking, scaling, and itching causedby dandruff. It combines the effectiveness of ketoconazole 1%, a provendandruff-fighting ingredient, with salon-tested gentleness. Use it just twicea week in between your regular shampoos to control dandruff. Its gentleenough to use on color-treated, chemically processed, and gray hair, and has athick, rich lather that rinses clean and leaves your hair smelling fresh.