Collection: Nioxin System 4: Progressed Thinning of Color Treated Hair

Nioxin System 4 thinning hair treatment helps you achieve thicker, fuller-looking hair and restore moisture balance.

Nioxin System 4 for thinning colored hair delivers thicker, fuller hair by removing follicle-clogging sebum, fatty acids and environmental residues, while providing moisture balance and color protection.