Bio Ionic iTools Nano-Ionic Conditioning Brushes are ion-Smoothing Brushes with an intensive smoothing action that will add shine, tame frizzies, and control static: Vent Brush, Styling Brush, and Paddle Brush. Utilizes super-smooth nylon or 100% boar bristles charged with our Nano-Ionic Hybrid Mineral. Help seal split ends, add body, hydrate & condition, minimize breakage, and reduce odor & build-up. Product Features • Ionized heat-resistant bristles • Ergonomic no-slip handle • Perfectly balanced, removable section pin