Absorbs excess oil Refreshes style Beyond The Zone Rock On Dry Shampoo the ultimate time saver. It refreshes, revives, and rejuvenates the hair in a matter of minutes—no water or blow dryer required. Beyond The Zone Rock On Dry Shampoo effectively absorbs up excess oil. Hair looks, feels,and smells freshly shampooed. Will not leave any residue. Helps to extend the life of your blowouts and color.