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.

Features & Benefits
Complete professional thickening treatment for colored hair with progressed thinning
For denser-looking hair and restored moisture balance
Helps remove sebum, fatty acids and other environmental residue
Helps provide hair resilience and control moisture balance
Provides a refreshed scalp environment