Revitalize your scalp and add volume to your hair with Nioxin Scalp and Hair Treatment with 3-Part System 5 for Chemically Treated Hair with Mild Thinning. Featuring the Transactive Delivery System 2.0, this professional product revitalizes the scalp and gives your hair a healthy glow. Nioxin leave-in volumizing treatment gives the appearance of thicker hair by increasing the density of each individual strand. Nioxin Scalp and Hair Treatment is the final step of the 3-Part System, improving hair texture while protecting it from breakage. APPLICATION INSTRUCTIONS Shake well. Apply evenly over the entire surface of the head. Do not rinse.