It's tough on dandruff and gentle on your scalp. Fight dandruff outbreaks with NIZORAL A-D Anti-Dandruff Shampoo. Get relief from itchy scalp with this powerful dandruff relief shampoo that controls flaking, scaling caused by dandruff. It's formulated with ketoconazole 1%, a proven dandruff-fighting ingredient that soothes your scalp and leaves your hair feeling fresh. Just use it twice a week, in between your regular shampoos, and watch it work its magic. You can even use it NIZORAL ON color-treated, chemically processed, and gray hair. It produces a thick, rich lather that leaves your hair feeling clean and smelling fresh.