Nioxin has numbered its systems to make it easier for you to find the 3-step Thinning Hair System that best fits your needs.
Nioxin System 1 - Natural Hair that is in the Early Stages of Thinning.
Nioxin System 2 - Natural Hair that is Noticeably Thinning.
Nioxin System 3 - Chemically Enhanced Hair that is in the Early Stages of Thinning.
Nioxin System 4 - Chemically Enhanced Hair that is Noticeably Thinning.
California Proposition 65 WARNING: Some products on this website contains progesterone, cocamide DEA, and other chemicals known to the State of California to cause cancer. Consult with your physician before using these products.