Nioxin System 4 Scalp Treatment Leave-In is the final step for an optimal nourishing treatment specially formulated for fine and chemically treated hair. The leave-in ensures a refreshed and healthy scalp, increases hair texture and also gives a healthy shine. In addition, it ensures an optimum moisture balance of colored and chemically treated hair. The antioxidants and botanical extracts ensure optimum healthy scalp condition. The leave-in contributes to the visibly thicker and fuller hair.

For optimum treatment of hair use as a shampoo the Nioxin System 4 Cleanser shampoo and as a conditioner the Nioxin System 4 Scalp Revitaliser Conditioner.