Salon Professional Radial Porcupine Small BrushIonic Bristles: Infused with negative ions to help smooth hair and reduce frizz. Heat activated ceramic heads will lock in your natural moisture and leave your hair soft and smooth in half the time. Easy grip handle that ergonomically moulds to the form of your hand for comfortable styling. Ceramic and copper barrel with ionic nylon bristle. Tufts apply tension on the hair allowing for a smooth soft wave with volume and movement.