#1 best-selling tea tree shampoo tingles, invigorates and leaves locks healthy and full of luster. Get a head start every morning and experience the invigorating tingle of this #1 best-selling tea tree shampoo. Made with special ingredients, it helps wash away impurities for a scalp with a fresh, clean feeling and hair that looks full of vitality and luster. Tea tree, peppermint and lavender leave hair smelling great.