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.** For best results use at least twice a week or as directed by a doctor. Use daily for maximum dandruff control. Massage on to wet scalp and hair. Rinse. Repeat if desired. With 30 years of expertise in thinning hair, Nioxin offers a wide range of hair products and scalp treatments that optimize the health of the scalp and help clients achieve healthy, thicker-looking hair along with intensive treatments that reduce hair fall and promote hair regrowth. **Regular use of the complete system.