Vents and wavy bristles lift and dry hair fast at roots Square barrel design helps to straighten, wave, or curl hair Copper-coated barrel for up to 50% better heat transfer* High-speed style with less drying time Professional-quality results The Quick Blow-Dry Thermal Square Hairbrush features a vented design with copper coating for up to 50% better heat transfer. Airflow from your blow-dryer reaches hair directly for fast drying. Wavy bristles provide a controlled grip to add smoothness and gently lift hair at the roots for quick blow-dry styling. Designed with a square barrel, this versatile hairbrush makes it easy to straighten, wave, or curl for salon results at home.