Nizoral Anti-Dandruff Shampoo is a medicated shampoo formulated to effectively treat dandruff and associated scalp conditions such as seborrheic dermatitis. It contains ketoconazole, which is an antifungal agent that targets the yeast responsible for dandruff. Nizoral shampoo is clinically proven to control flaking, scaling, and itching caused by dandruff, leaving the scalp clean and healthy.