Vented shape reduces drying time Smooths hair while eliminating frizz and controlling out-of-place hairs Lightweight design for easy use Ideal for long hair The ion Blowout Vent Brush is perfectly vented to accelerate dry time. The soft grip and curved head allows more heat to flow to the hair shaft reducing drying time and allows for easier and more comfortable styling. This Professional Blowout Vent Brush silkens and smooths hair while eliminating frizz and controlling frizz.