Discover customized styling with less pain, effort and breakage with this WetBrush Fast Dry Round Brush-Customizeable. Exclusive HeatFlex bristles bend and flex to effortlessly detangle and remove knots with less pain and breakage while you style. Ultra soft nylon bristles smooth the cuticle and enhance shine without pulling or snagging. Adjustable vented barrel design allows for customized styling. Turn the dial to allow for increased or decreased airflow. Vita-Boost (tm) infused barrel and bristles coats hair with biotin and keratin with every stroke to help strengthen and protect against damage. Ceramic barrel emits negative ions for shiny, frizz-free styles.