DermaZinc Shampoo is recommended for the treatment of chronic skin conditions of the scalp. It is a very effective over-the-counter anti-itching, anti-flaking, anti-fungal agent for treating seborrheic dermatitis, dandruff, and other chronic skin disorders. Helps prevent the recurrence of symptoms. Active ingredient is zinc pyrithione 2.0%. For best results, use at least twice a week, or as directed by your physician.