- 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 residues.
 - Helps provide hair resilience and control moisture balance.
 - Provides a refreshed scalp environment.
 
                
                
              NIOXIN
System 4
$49.99
    System 4 helps you achieve thicker, fuller-looking hair and restore moisture balance.
System 4 delivers thicker, fuller hair by removing follicle-clogging sebum, fatty acids, and environmental residues while providing moisture balance and color protection.
