Nioxin System 4 Cleanser, noticeably thinning, fine, chemically treated hair 

Volumizing cleanser helps to remove follicle-clogging sebum, fatty acids and environmental residues from the scalp and hair. Cleanses to provide thicker-looking hair. For noticeably thinning, fine, chemically treated hair.

Scalp Access® Delivery System With vitamins, botanicals, SPF 15 sunscreen, and purifying agents to help clean away follicle-clogging sebum and environmental residues from the scalp, while helping provide sun protection for the scalp.

- BioAMP® With cystine amino acids, and lightweight conditioning and treatment ingredients; helps provide thicker-looking hair by increasing the fullness of each hair strand, and reducing hair loss through strengthening against damage and breakage.

- Glyco-Shield® For chemically-treated hair and scalp with white tea extract, humectants, peppermint oil, and protective conditioning agents that deliver a dual shield technology to help provide protection and moisture balance to color-treated hair, while leaving the scalp feeling rejuvenated and refreshed.