Bio Ionic Boar Bristle Round Brush provides an intensive smoothing action that adds shine, tames frizzies, and controls static. Utilizes super-smooth 100% boar bristles charged with Nano-Ionic Hybrid Mineral.  Helps seal split ends, adds body, hydrates and conditions, minimize breakages, and reduces odor and build-up. Product Features: • Ionized heat-resistant bristles • Ergonomic no-slip handle • Perfectly balanced • Removable section pin