Take control of styling with the professional Centrix Heat Boss Thermal Brush. The chrome seamless barrel is ready to give big results and the innovative Heat Force Dial allows you to control the airflow. Static free nylon bristles are coated with Ceramic, Tourmaline and Ionic that can take the extreme heat, 570 Fahrenheit! Fine Hair? Keep the Heat Force Dial Open. Medium to Thick Hair? Heat Force Dial Closed. Styling Thick/Coarse Hair? OPEN heat force dial, on high heat, point your dryer nozzle down the Lux Barrel, increasing the temperature, and then close the dial. HEAT FORCE DIAL: Control barrel heat and temperature release with a simple twist of the dial. HYBRID HEAT BRISTLES: Static free Ceramic, Tourmaline, Ionic infused bristles that can take the heat, 570 Fahrenheit. LUX BARREL: Hair glides effortlessly through the chrome plated seamless barrel, producing a smooth, polished finish. THE BOSS HANDLE: Contoured for comfort and control, the Boss Handle knows who's in charge