Paul Mitchell's Tea Tree Scalp Care Anti-Thinning Shampoo gently cleanses and primes the scalp for stronger, thicker-looking hair with 85% reporting increased hair volume and strength.* This colour-safe, anti-thinning shampoo is formulated with our exclusive Regeniplex® blend of Kakadu Plum, Pea Peptides, Clover Flower, Tumeric and Ginseng to help prevent breakage and add volume resulting in fuller, thicker-looking hair.