Opulash Optimum Black delivers a more saturated black plus extra-volumization with our most bodacious brush yet. Extreme expansion and curl, formed from a blend of silica plat es of mica and natural kaolin, thicken and grab each lash with every application for an intense lay-down with succinctly sexy separation. Resists flaking, smudging, and humidity, with multi -functional emollient ester flexibility, superior adhesion, and water-gel instant conditioning for even the most sensitive of eyes. And it lasts 15 hours!