American Crew Thickening Shampoo puts you on the right track to achieving thicker, fuller hair. Adding maximum body and increased volume this daily use shampoo also provides gentle yet effective cleansing. The secret of the American Crew Thickening Shampoo lies in its natural ingredients. Glycerin helps your hair retain water, effectively swelling each hair strand so your hair appears thicker and full of life. In addition, tea tree and coconut oils promote softness and sheen leaving your hair in great condition all day long.Directions of use:Wet hair thoroughly.Massage a small amount into your hair and scalp.Rinse well.Repeat if necessary.