The bigger the brush, the bigger the volume. It s just facts. Our XL vented design maximises airflow for quicker drying and less damage. Argan oil-infused bristles leave a glossy, high-shine finish without sacrificing volume. Because who said you can t have it all How to use: For maximum volume, dry the roots in the opposite direction. Keep tension as you brush through. Remove loose hairs from the bristles after use.