Oval Brush Design to smooth the hair, create volume at the roots and beautiful curly ends - No need to use another appliance to get waves. This hair dryer brush is designed to distribute air quickly and evenly to the hair to dry and style faster for less heat damage. With the Ionic Technology, negative ions saturate the airflow to reduce the size of water droplets for faster drying. This helps condition, smooth and makes hair shinier, while reducing frizz and static.