[Hair Care Without Damaging Hair, Creating Smooth Style] This Thermal Blowout Brush uses Gloss Pro™ coating, which can evenly distribute heat on the hair, enhance the shine and protect the hair, creating a silky smooth, frizz-free effect. Make the hair knot-free, frizz-free, undama... More Batteries Required: No Batteries Included: No What it's for: Curl & Wave, Volume & Fullness Who it's for: Straight Hair (Type 1), Curly Hair (Type 3)