Shea Moisture African Black Soap Purification Masque conditions hair while relieving dry, itchy scalp. This intensive treatment removes product buildup while strengthening hair by sealing in natural moisture. How To Use: Section clean, wet hair. Apply generously from root to ends, massaging gently into scalp. Use a wide tooth comb to distribute evenly. Leave in 5 minutes. Rinse thoroughly. For deep penetrating treatment, cover hair with a plastic cap and apply moderate heat for up to 30 minutes. Rinse thoroughly. When using a hair steamer do not cover hair, moist heat will add to masque's hydration.