What It Is: A continuously buildable, clump-resistant mascara that stacks on infinite layers of volume and length in a waterproof and smudge-proof formula. What It Does: MAC's award-winning mascara in a waterproof + smudge-proof formula for 24-hour wear! Endlessly buildable, clump-resistant MACStack Waterproof Mascara gives you customizable volume + length in a pool-proof and tear-proof formula. MAC's Drench-Defense Technology helps to wrap this waterproof mascara around your fringe to protect each individual lash by repelling water. Stack on infinite waterproof layers of volume + length with MACStack Waterproof Mascara! Key Claims and Benefits: Waterproof, smudge-proof, pool-proof and tear-proof, 24 hours Clump-resistant Weightless 96% said product stays put all day* 96% saw instant lash lift and length* 93% saw instant volume* How to Use: Pro Tip for Best Application: Wipe excess product from the mascara brush. Brush from roots to tips, wiggling the mascara onto each lash. Apply another coat. Important: Don't pump the wand into tube, which causes the formula to dry out. Easily remove this mascara with Gently Off Eye and Lip Makeup Remover. Pro Tip to Boost Volume and Wear: Apply False Lashes Maximizer first, then repeat all the steps above. Ingredients: Isododecane, Water#back;Aqua#back;Eau, Nylon-12, Dimethicone Silylate, Sorbitan Olivate, Trisiloxane, Sorbitan Tristearate, Kaolin, Silica Silylate, Polyisobutene, Copernicia Cerifera (Carnauba) Wax#back; Copernicia Cerifera Cera #back;Cire De Carnauba, Trihydroxystearin, Diisopropyl Adipate, Cholesterol, Pantethine, Methicone, Caprylyl Glycol, Panthenol, Trimethylsiloxysilicate, Hexylene Glycol, Propylene Carbonate, Silica, Nylon-6, Microcrystalline Wax#back;Cera Microcristallina#back;Cire Microcristalline, Hectorite, Quaternium-90 Bentonite, Citric Acid, Phenoxyethanol, Magnesium Salicylate, Potassium Sorbate, Iron Oxides (Ci 77499), Mica, Titanium Dioxide (Ci 77891) *Consumer testing on 109 people after using MACStack Waterproof Mascara for one week. 0.4-oz.