1907 By Fromm Copper Core Brush 3" Thermal Round #NBB021 Natural copper elements Anti-microbial Dry hair faster Full barrel bristle coverage 100% boar bristle strip Why Copper?Compare to Aluminum Ceramic: Superior material for temperature control, rapid and even heat distributionThermal Properties: Heats hair 30% faster!Bacteria Control: Destroys 88% of bacteria and fungusNatural Antimicrobial: Copper element used in dandruff and lice shampoos to prevent itching and flakingWhat is an Insert Bar?Two-in-One Technology: Blow-dry with ionic nylon bristles100% Pure Boar Bristle Strip: Grip and Shine HairAdditional FeaturesCoated Copper Barrel: Clear sealant to maintain superior heat resistance over timeOne-Piece Handle: No screw to avoid snaggingWaved Nylon Bristles: Superior gripping of hairFull Barrel Bristle Coverage: No distance between lip and barrel to fully utilize barrel spaceShelf Presence: Sleek full black design for focus on eye-catching copper corePackaging: Signature 1907 kraft paper hang tag with visuals for features and benefits