Inspired by sleek, form-fitting couture latex, Lash Latex Mascara wraps lashes for instant length and long-lasting lift. Its deep black, form-fitting formula stretches each lash, locking in a sculpted lift for up to 24 hours.Yves Saint Laurent's exclusive Lash-Sculpting brush, and its 496 micro-bristles, sculpts every lash from root to tip, for a buildable, sleek volume.