Product Description Nioxins Scalp & Hair Treatment System 3 for colored hair with light thinning is the final step of athree part Nioxin regimen, specially formulated to refresh the scalp and increase hair volume. Thanks to its Transactive Delivery System 2.0 technology, the volumizing Nioxin leave-on treatment helps provide thicker looking hair by increasing the fullness of each hair strand. Features & Benefits Professional leave-in treatment to help increase hair diameter for colored hair with light thinning. Volumizing Leave-on scalp treatment for Natural hair with Light thinning. Contains antioxidants, botanicals, and peppermint oil that helps to provide a refreshed scalp environment. Protects against hair breakage & gives a healthy shine to your hair. Best results achieved when used 3 steps together.