Double Wear Zero-Smudge Lengthening Mascara. Lashes that last. Zero smudge. Now the smudge-free lash look you see in the morning is the look you keep all day. Engineered with breakthrough Smudge-Shield Technology to resist high temperatures and high humidity, without smudging, flaking or wearing away throughout your active day. Lash-Xtender Brush elongates, separates and surrounds each lash in glossy, 15-hour staying power.