A Daily Volumizing Cleanser That Gently Removes Residue And Dht From The Hair And Scalp And Safeguards The Scalp From Drying Irritation While Helping To Prevent Color Fadage. How It Works: Bioamp Adds Thickness And Strength. Glyco-Color Shield: Dual Protection Technology Designed To Safeguard The Scalp Skin And Preserve Hair Color. Scalp Protection: Formulated With Herbs And Botanicals To Moisturize And Help Guard The Scalp Skin From Chemical Service Residues. Hair Color Protection: Custom-Built Molecular Technology Designed To Provide Clinically Proven* Color Protection And Vibrancy. Transactive Delivery System Delivers Essential Nutrients Onto The Scalp Which Improves The Appearance Of Thinning Hair And Creates An Environment For Fuller, Healthier-Looking Hair. Nioxin System Differences / Hair Typessystem 1 Is Specially Designed For Normal To Thin-Looking, Fine, Natural Hair.system 2 Is Specially Designed For Noticeably Thinning, Fine, Natural Hair.system 3 Is Specially Designed For Normal To Thin-Looking, Fine, Chemically Treated Hair.system 4 Is Specially Designed For Noticeably Thinning, Fine, Chemically-Treated Hair.system 5 Is Specially Designed For Normal To Thin-Looking, Medium To Coarse, Natural Or Chemically-Treated Hair.system 6 Is Specially Designed For Noticeably Thinning, Medium To Coarse, Natural Or Chemically-Treated Hair. Gender:Unisex.