System 3 is specially designed for normal to thin-looking, fine, chemically treated hair. It amplifies hair texture while refreshing the scalp and providing moisture balance to colored hair. A 3 part system to help cleanse, optimize and treat scalp and hair; creating the optimal scalp environment for thicker, denser-looking hair. Includes (1) Cleanser 10.1oz, (1) Scalp Therapy 5.07oz and (1) Scalp Treatment 3.38oz.