Olivia Garden HeatPro Thermal Round Brush is designed to resist high temperatures (up to 550F). Exclusive NYLGARD heat resistant bristles. New generation copper ceramic, conducts and retains heat better. Polycarbonate reinforced body means a stronger and lighter brush. Vented cap design prevents excessive heat accumulation. Tourmaline ions add shine to hair, making hair easier to style. Unique vented barrel design maximizes airflow for faster drying of the hair. Create longer-lasting fashionable hairstyles with ease. Eliminates frizziness and helps smooth the hair. Ergonomic, non-slip handle and retractable sectioning pick.