Nioxin® Scalp Recovery® Medicating Cleanser is an anti-dandruff shampoo with pyrithione zinc, that helps prevent and relieve the symptoms of seborrheic dermatitis, dandruff and other scalp related problems such as scalp irritation, flaking, dryness and itching. Helps prevent recurrence of flaking and itching associated with dandruff and seborrheic dermatitis. ** **Regular use of the complete system. | Nioxin Scalp Recovery Anti-Dandruff Medicating Cleanser Shampoo, 33. 8 fl. oz | Dermstore