Straightens and adds volume Durable, flexible bristles Eliminates fly-aways Promotes shiny hair Ceramic barrel The ion Ceramic Thermal Blowout Concave Brush is perfect for creating sleek shiny and voluminous hair during blowouts. Features a unique concave shape for improved contact and maximum control of hair during blowouts. The static-free ceramic barrel eliminates frizz and prevents hair from falling off the brush during the styling process for the ultimate blowout.