The Hairbrush Advisory, your expert authority for hairbrush solutions, brings you the perfect brush for blow-drying and root-boosting flat hair. Blow-dry fast as the vented barrel and Triangle Airflow Bristles increase airflow up to 50%.* Volumize at the roots while boar and nylon bristles evenly distribute your scalps natural oils for shiny, healthy-looking hair. But be advised: Your hair is about to look amazing. Boost body, volume and shine while blow-drying Vented barrel and Triangle Airflow Bristles increase airflow up to 50%* for fast blow-drying Creates volume right at roots Boar and nylon bristles evenly distribute the scalps oils for beautiful shine *Compared to a non-vented brush head.