Bio Ionic iTools Silver Classic Series Ionic Conditioning Brush iBrush Hybrid Bristle Paddle Brush This Nano Conditioning brush is the world's only brush utilizing super-smooth nylon bristles charged with an exclusive Nano-Ionic Hybrid Mineral that produces high levels of Natural Negative Ions. Guaranteed to condition and hydrate while controlling frizzies and static. Dramatically reduces tearing, breakage, and split ends. Product Features: Ultra lightweight Super smooth nylon bristle Heat resistant bristles Anti-static