The Nioxin Scalp Treatment has been developed to provide you with thicker looking, denser hair. It's refreshing formula cares for your hair & scalp to leave it feeling cleansed & protected. Formulated with hard working antioxidants & botanicals to refresh the scalp environment, Nioxin's Scalp Treatment is the third step in this advanced system to restore thickness to hair. To use: Apply directly to entire scalp. Gently massage into scalp. Do not rinse.