Top off your hair care routine with NIOXIN's SYS3 Leave-In Treatment. This 100ml bottle of leave-in is the final step of the three-part system. Enjoy volumized, fuller-looking hair with this treatment that works to amplify your hair texture and protect against breakage. Apply directly to your entire scalp, focussing on specific areas of irritation and discomfort. Massage and comb through. For best results, use with the complete three-step system. Tend to your tresses with this leave-in treatment from NIOXIN | Rca NIOXIN System 3 Scalp Care and Hair Thickening Treatment Size 100ml