Equate Beauty 2 in 1 Soft & Smooth Dandruff Shampoo and Conditioner with Pyrithione Zinc, 31.4 fl. oz. Works to leave hair sleek, shiny, and frizz free. Lasting frizz control from roots to end. Helps prevent recurrence of flaking and itching associated with dandruff. Rich Lather leaves scalp and hair feeling clean. Scalp protection from flakes, itch, oil, and dryness. For best results use twice a week or as directed by a doctor. for maximum dandruff control use every time you shampoo. Compare to Head and Shoulders active ingredient.