Selsun Blue Itchy Dry Scalp Antidandruff Shampoo with pyrithione zinc provides targeted dandruff control. This shampoo helps prevent and eliminate itchy scalp and visible flakes associated with dandruff. Tough on dandruff and great for hair, this shampoo for itchy, dry scalp, nourishes and moisturizes hair with an extra-hydrating formula and is gentle enough for daily use. Stock up on 21-oz. bottles of Selsun Blue Dandruff Shampoo so you always have it on hand. Directions for Use: Wet hair thoroughly Massage onto scalp and rinse well For best results, use at least twice a week or as directed by a doctor. About Selsun Blue: Selsun Blue is the expert in scalp health, offering high-quality, effective solutions that are tough on dandruff and great for hair to help you feel confident, poised and in control. Selsun Blue helps control dandruff by powerfully relieving symptoms like flaking and itching. Say goodbye to flakes and ditch your dandruff with Selsun Blue!