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.
Includes:
- System 4 Cleanser Shampoo: (33.8 fl. oz/1 L)
- System 4 Scalp Therapy Conditioner: (33.8 fl. oz/1 L)

















