A molded plastic mascara brush having an elongated flexible core with multiple bristles projecting radially therefrom, and a shape-sustaining wire extending longitudinally through the core. The wire may be bendable, enabling a desired curvature to be imparted to the brush. Additionally or alternatively,...http://www.google.es/patents/US8096306?utm_source=gb-gplus-sharePatente US8096306 - Molded plastic mascara brush
