This Nanothermic square brush helps you achieve faster, smoother and shinier blowouts. Its ceramic-coated barrel heats up quickly and retains heat longer, while tourmaline ion technology helps smooth the cuticle, reduce frizz and control flyaways. The unique square barrel gives you versatile styling options: use the flat sides for straighter results and the rounded edges to create volume, movement or soft bends through the lengths and ends. Speeds up drying for faster blowouts Helps smooth frizz and boost shine Creates volume, bend or a sleeker finish with one brush HOW TO USE Use on damp hair while blow-drying. Work in sections and direct the airflow onto the brush. Use the flat sides to smooth the hair and the rounded edges to build volume, flips or soft shape. For easier sectioning, use the retractable pick built into the handle.