4 IN 1 Drying & Smoothing & Volumizing Hair] Unique Oval Brush Design for Smoothing the Hair, while the round edges create volume. Designed with Nylon Pin & Tufted Bristles for detangling, improved volume and control, perfect for refreshing 2nd day hair. Unlike conventional hair dryers, this volumizer can be placed closer to your scalp for maximum lift. Never used.