Nioxin System 4 Scalp & Hair Leave-In Treatment 3.38 oz

What is it: System Kit 4 is designed for color-treated hair with progressed thinning. Clinically and dermatologically tested. Why you’ll love it: It helps to refresh the scalp and increase the volume of every strand, leaving your hair looking fuller and thicker. Featured ingredients: Delivers essential nutrients and antioxidants to the scalp, nourishing and protecting it against damage. This treatment contains UV protecting ingredients for the scalp and hair. Featured ingredients: Delivers essential nutrients and antioxidants to the scalp, nourishing and protecting it against damage. This treatment also contains UV protecting ingredients for the scalp and hair.