MAC MACStack Mascara Waterproof is the award-winning, buildable mascara that stacks on volume and length without clumping. Its full-bodied Superstack Mega Brush lifts, separates, and amplifies every lash, while a creamy, stretchable formula builds from a natural flutter to bold, gravity-defying volume with a weightless feel. Drench-Defense Technology wraps each lash to repel moisture, holding curl and intensity for 24 hours of smudge-proof, pool-proof, tear-proof wear without flaking or clumping. Ophthalmologist-tested and hypoallergenic, it leaves lashes fuller, longer, and lifted all day. Made for anyone who wants customizable, high-impact, waterproof lashes, in the shade Black Stack. Product Features: Award-winning buildable mascara that stacks on volume and length, no clumping Superstack Mega Brush lifts, separates, and amplifies every lash, weightless Drench-Defense Technology holds curl for 24-hour smudge- and tear-proof wear Ophthalmologist-tested, hypoallergenic; for waterproof lashes in Black Stack How to Use: Sweep the brush from root to tip, building layer by layer to the desired volume. Wiggle at the base for extra lift.
