Nioxin's System 1 products are designed for fine, natural, normal to thin looking hair. System 1 Scalp Treatment is a daily leave-in scalp treatment that delivers essential botanicals, nutrients, antioxidants and vitamins onto the scalp and hair to help safeguard against residues and DHT buildup on the scalp. May cause temporary redness after application.
Other System 1 Products Include: System 1 Cleanser and System 1 Scalp Therapy.
