The Nioxin Scalp Treatment has been developed to provide you with thicker looking, denser hair. It's refreshing formula cares for your hair and scalp to leave it feeling cleansed and protected. Formulated with hard working antioxidants and 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.