System 2 is specially designed for noticeable thinning, fine, natural hair. It delivers denser-looking hair and a healthy shine while protecting the scalp. 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.