Nioxin System 4 ScalpTherapy For fine, chemically enchanced hair that is noticeably thinning- gently cleanser and removestoxins like DHT (Dihydrotestosterone).
Nioxin System 4 is a 3-Step system for fine, chemically enhanced, noticeably thinning hair that consists of the Cleanser, the ScalpTherapy and the Scalp Treatment.