The ceramic thermal brush Ø 1.65 in is ideal for styling and blow-drying very long hair, perfect for creating volume and a soft, natural finish. The ceramic-coated aluminum barrel distributes heat evenly, reducing static and helping improve color retention. The antibacterial nylon bristles (Staylon 66) are heat-resistant and ensure durability. The FSC-certified wooden handle is lightweight and ergonomic. Materials: ceramic-coated aluminum, nylon (Staylon 66), FSC-certified wood Size: Ø 1.65 in, total diameter with bristles 2.23 in If you have frizzy or damaged hair, choose the Thermal Brush with Porous Ceramic of the same diameter.. The Science Behind Ceramik Antibacteric Oxy The Ceramik technology features an aluminum barrel coated with a layer of ceramic applied through an oxygen-based electrolytic process. This treatment creates a uniform surface designed to optimize heat distribution during styling. The ceramic acts like a sponge,