BOAR BRISTLE: Improves the health of the hair by preventing oil buildup and hair frizz.nSTYLING BRUSH: Comes with nylon bristles in addition to boar bristles to help style hair.nIMPROVE HAIR VOLUME: Round shape helps to create a volumizing curl.nERGONOMIC DESIGN: Handle crafted with finger groove for easy holding.n1.75u0026#34; DIAMETER: This is a medium sized brush that is great for home and travel.n