Give your daily hair routine gentle frizz-free shine and longer-lasting results with the ERGO Ionic Ceramic Super Gentle ERG33 33mm round brush. Designed by professionals for professional results. Recommended for use on fine, fragile or thin hair extensions or sensitive scalp.Specially designed for hair extensions, color treated hair, sensitive scalp, fine or brittle hairSuper flexible, ribbed bristles move gently through all delicate hair typesFormulated with carbon and tourmaline for resistance up to 230 degrees.Tourmaline helps close the cuticle, creating super shine and moisture resistanceFor best results, use on medium heat. Ergo Erg33 Super Gentle Round Hair Brush