Nizoral Shampoo Is A Medicated Shampoo Used To Treat Fungal Infections Of The Scalp And Skin. Its Active Ingredient, Ketoconazole, Is An Antifungal Agent That Works By Inhibiting The Growth Of Fungi And Other Microbes. This Shampoo Is Effective In Treating Conditions Like Seborrheic Dermatitis, Dandruff, And Fungal Infections Of The Scalp, Providing Relief From Itchiness, Scalp Flaking, And Inflammation Associated With These Conditions. Active Ingredient: Ketoconazole 2%