Nioxin | System 4 Holiday Bag

Nioxin Pro Clinical's System Duo 4 is designed for dry, damaged, colored hair with progressive thinning. Clinically and dermatologically tested, this complete scalp & hair thickening system thickens and strengthens your hair against breakage while providing color protection. 8 out 10 users saw thicker, fuller hair in 30 days!

The System 4 Holiday Bag Includes:

• (1) - System 4 Shampoo, 10.1 fl. oz.
• (1) - System 4 Scalp Therapy Conditioner, 10.1 fl. oz.

*compared to purchasing shampoo and conditioner individually