Nioxin System 4 for Dry, Damaged, Colored Hair for Progressed Thinning

Nioxin System 4 is designed for dry, damaged, colored hair with progressed thinning. Clinically and dermatologically tested, System 4 thickens and strengthens your hair against breakage while providing color protection.
REDUCES HAIR LOSS due to breakage and strengthens hair, while refreshing the scalp and delivering a healthy shine.