Nioxin System 4 Cleanser Shampoo 1000ml is a complete professional thickening treatment for coloured hair with progressed thinning that 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. This shampoo is perfect for those with coloured hair and progressed thinning who want to achieve denser-looking hair and restore moisture balance.

• 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.

To use, apply the shampoo from scalp to ends, leave in for 1 to 3 minutes, and then rinse.