MAC M·A·CStack Waterproof Mascara Black Stack (12 mL) — Buildable Volume, Smudge-Resistant

M·A·CStack Waterproof Mascara in Black Stack is a waterproof, smudge-resistant mascara that layers without clumping to deliver customizable volume and length.

This mascara from M·A·C is formulated to let you add as many layers as you like while keeping lashes separated and defined. Its water-resistant finish stands up to humidity, tears, and sweat, making it suitable for long days, active routines, and events where you need reliable wear. The 12 mL tube contains a uniquely designed wand and a buildable formula so you can go from natural enhancement to dramatic volume without flaking.

How does M·A·CStack build volume without clumping?

The formula is engineered for incremental application: thin, tacky layers adhere to lashes and allow subsequent coats to stack instead of balling up. The wand fibers are arranged to coat each lash evenly, separating as they lengthen and thicken.

• Stackable, thin layers prevent heavy clumps.
• Brush design lifts and fans lashes for visible separation.
• Formula viscosity balances hold with flexibility for natural movement.

Will it stay put through water, sweat, or tears?

Yes—this version is formulated to resist water and smudging for extended wear. It’s suitable for humid conditions, workouts, or emotional events, holding shape and pigment without running or transferring to the under-eye area.

• Waterproof base reduces running in wet conditions.
• Smudge-resistant finish minimizes fallout under the eyes.
• Maintains curl and intensity throughout the day.

How do I apply it for the best results?

Start with clean, dry lashes. Wiggle the wand at the root and sweep upward through the tips; add extra coats while the product is still tacky to build drama. For a fluttery, natural look use one to two coats; for bold volume layer three or more times.

• Apply from root to tip with a slight zigzag for even coverage.
• Layer while tacky—don’t let each coat fully dry between passes.
• Use the tip of the brush to reach inner and lower lashes precisely.

How do I remove it safely at the end of the day?

Because the formula is water-resistant, remove it with an oil-based or dedicated waterproof eye-makeup remover to dissolve pigment gently. Press remover-soaked pads against closed lids for a few seconds, then wipe downward to clear lashes without excessive rubbing.

• Use oil-based or micellar removers rated for waterproof makeup.
• Soak cotton pad, hold briefly, then sweep gently—avoid tugging.
• Follow with a mild cleanser to remove residue from lash roots.

Who is this for? This mascara suits anyone who wants flexible control over lash intensity—from subtle daytime definition to full-on evening volume—especially those who need makeup that endures humidity, tears, or active wear. Ideal for makeup lovers who prefer layering without clumps, people with oily eyelids seeking long-lasting pigment, and anyone preparing looks for all-day events where transfer resistance is important.

Ingredients

Isododecane, Water\Aqua\Eau, Nylon-12, Dimethicone Silylate, Sorbitan Olivate, Trisiloxane, Sorbitan Tristearate, Kaolin, Silica Silylate, Polyisobutene, Copernicia Cerifera (Carnauba) Wax\ Copernicia Cerifera Cera \Cire De Carnauba, Trihydroxystearin, Diisopropyl Adipate, Cholesterol, Pantethine, Methicone, Caprylyl Glycol, Panthenol, Trimethylsiloxysilicate, Hexylene Glycol, Propylene Carbonate, Silica, Nylon-6, Microcrystalline Wax\Cera Microcristallina\Cire Microcristalline, Hectorite, Quaternium-90 Bentonite, Citric Acid, Phenoxyethanol, Magnesium Salicylate, Potassium Sorbate, Iron Oxides (Ci 77499), Mica, Titanium Dioxide (Ci 77891) ILN50368