NioxinSystem 4 Cleanser
Helps to remove follicle-clogging sebum, fatty acids and environmental residues from the scalp skin and hair. Cleanses to provide thicker-looking hair. (Nioxin System 4 is for noticeably thinning chemically treated hair.)
how to use
Apply to wet hair, gently massage into scalp and hair. Lather 1 minute. Rinse thoroughly. Use daily.