FROMM NBB020 Heat Duo 1.75 inch copper ceramic round brush for professional hair styling in salons, spas, and medical spas. Dual copper and ceramic barrel heats up to 3X faster than a leading copper brush, retains and distributes heat evenly to reduce hot spots, and uses negative ions to support faster drying. Double ionic technology helps manage frizz and flyaways while supporting cuticle sealing and moisture retention. Polished waved bristles provide strong tension yet remain gentle on hair and scalp and are heat resistant up to 400°F. Double injection cushion handle offers smooth rotation, secure grip even with wet hands, and a lightweight feel for all day use. Read more