Features a sharp, flat brush head Helps expertly line & edge any lip application with extreme control & precision Also great for use on the waterline or to create hair-like strokes in the brow Made of SigmaTech? Fibers, an exclusive selection of high performance synthetic fibers Boasts technologically advanced filaments with specialized tips Holds & delivers makeup products without any absorption into the bristles The patented 3-ring brush ferrule is made with SigmaAlloyTM for durability & strength