- The Ceramic + ion Round Brush Thermal Collection is the newest generation of the most advanced professional brush with a sleeker and lighter unique seamless design. Ceramic coated barrel heats up faster and retains heat longer for faster and better styling. Large holes maximize airflow making it lightweight and comfortable. Tourmaline Ion Technology hydrates the cuticle while adding more shine to the hair and eliminating frizz and flyaways. Soft-tip, anti-static bristles are gentle on hair and scalp. Other features include a 100% seamless body, absolutely snag-free experience, ergonomic comfort grip, lightweight design for effortless styling, and a retractable sectioning pick.