Nioxin Scalp + Hair System 4 Leave on Treatment 100ml pureology-backbar-bundles Vegan and dermatologically tested —

Vegan and dermatologically tested — use before shampooing

Suitable for natural blonde

water-soluble acid

By eliminating that barrier entirely

Nioxin Scalp + Hair System 4 Leave on Treatment 100ml pureology-backbar-bundles Vegan and dermatologically tested —Why you'll love it Leave on scalp and hair thickening treatment for coloured hair with progressed thinning Nourishes and strengthens each strand from root to tip Promotes the appearance of thicker, fuller hair UV protecting ingredients for the scalp and hair Clinically and dermatologically tested, with visible results in 30 days* The leave on step that does the heavy lifting. Nioxin Scalp + Hair System 4 Leave On Treatment 100ml is a leave in