The Diane D9614 Charcoal Thermal Round 1.25" brush is a thermal aluminum round hair brush with firm nylon bristles and bamboo charcoal infused pins that emit far-infrared rays for controlled heat conduction during blow-drying. The 1.25 inch barrel supports creating volume, smoothing, and curl refinement on short to medium hair lengths in salon and spa environments. Firm nylon bristles provide consistent tension at the root, while the soft touch handle aids grip for staff working through multiple clients. The thermal barrel and charcoal pins support efficient styling with standard professional dryers. Read more