WHAT IT IS The second largest of the PM Express Ion Round Brushes perfect for large volume. WHAT IT DOES This brush features a light handle and ion complex-infused bristles that help cut down on flyaways and static while cutting down drying time. Gently works through hair corkscrew bristles hold onto hair while giving the ideal tension to create a smooth finish on both straight hair and curl. The aluminum barrel heats up during blow-drying to help shape your style.