15-hour staying power. Long lashes that last. Zero smudge. You'll love its extreme wear, extraordinary length and unstoppable power. Now the expertly separated, smudge-free lash look you see in the morning is the look you keep all day. The Smudge-Shield™* formula with innovative polymers locks in the Eyes to keep it on lashes and off you. Resists high temperatures, high humidity and perspiration. Micro-fiber bristles go deep into lash bed to comb and detangle lashes for super separation from root to tip. Lashes channel through the brush's saturated core for a rich coating of pigment.(*U.S. patent pending)