Nizoral Psoriasis shampoo and conditioner for scalp psoriasis relieves and helps prevent the itching, redness, irritation, flaking and scaling of scalp psoriasis. Nizoral Psoriasis contains maximum strength medicine (salicylic acid) to control your symptoms while leaving hair clean, conditioned and moisturized. The special formula contains tea tree oil, green tea, and vitamins E, C, and B5 – plus it’s free of artificial fragrances, preservatives, and dyes that may irritate skin. For best results use at least twice a week or as directed by a doctor. Wet hair thoroughly. Massage liberal amount of product into scalp. Leave lather on for several minutes. Rinse thoroughly and repeat if needed.