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.

Packaging may vary.

• 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