Nioxin Pro Clinical's System 3 is designed for dry, damaged, colored hair with light thinning. Clinically and dermatologically tested, this complete scalp & hair thickening system thickens and strengthens your hair against breakage while providing color protection. 8 out 10 users saw thicker, fuller hair in 30 days! Formulated with a powerful blend of niacinamide, biotin and caffeine to help nourish the hair root, stimulate hair follicles and strengthen the hair. This kit offers built in savings and includes: 1 - Nioxin Scalp + Hair Thickening System 3 Shampoo 10 oz, 1 - Nioxin Scalp + Hair Thickening System 3 Conditioner 10 oz and 1 - System 3 Scalp + Hair Thickening Treatment 3.4oz.