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 colour protection.
 
Features & Benefits
Complete professional thickening treatment for coloured 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.