Keep dandruff in check with Redken's Scalp Relief Dandruff Control Shampoo. Specially formulated to eliminate and control dandruff for a clean and clarified scalp. Formulated with Pyrithion Zinc to control and relieve symptoms associated with dandruff.Controls dandruffRelieves scalp irritationLeaves hair with a light, shiny finishDermatologically testedApply to wet or dry hair, massaging into scalp. Leave for 5 minutes, and wet and lather hair. Rinse thoroughly. For best results, use at least twice a week or as directed by a physician. Suitable for daily use. For an intense treatment, apply to dry hair, massaging into scalp. Leave for 5-10 minutes, and wet and lather hair. Rinse.