The Nizoral Ketoconazole 1% Anti-Dandruff Shampoo is a powerful, over-the-counter medicated shampoo containing 1% Ketoconazole, a clinically proven antifungal agent. Unlike cosmetic shampoos that only treat flakes, Nizoral targets the root cause of dandruff: the fungus Malassezia. It effectively controls the flaking, scaling, and itching associated with dandruff and seborrheic dermatitis, providing long-lasting relief and leaving hair clean and manageable.