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Summary
Macstack Mascara Superstack: Stack on infinite layers of volume + length with this never-before-seen endlessly buildable, clump resistant volumizing mascara. Gives you customizable volume from natural to next-level. -- Now in an all-new brown hue inspired by MAC's iconic Lip Pencil in Chestnut.
Benefits
- Mega Brush: Builds up longer or upper eyelashes
- Buildable lash volume, from natural to next-level
- Instant lash length
- 24-hour wear
- Clump-resistant mascara
- Flake-resistant
- Ophthalmologist tested
- Appropriate for contact lens wearer
Research Results
- 95% saw gravity-defying lash volume*
- 95% saw instant eyelash lift and length*
- 95% said mascara builds endlessly*
- *Consumer testing on 111 women after using Superstack Mega Brush for one week
Item 2592858
Press the Mega mascara brush into lashes close to roots and shimmy brush through from roots to tips.
Keep stacking the weightless, clump-resistant mascara formula for limitless volume and length potential.
Water\Aqua\Eau, Silica, Stearic Acid, Glyceryl Stearate, Synthetic Beeswax, Paraffin, Polyisobutene, Kaolin, Acrylates/Ethylhexyl Acrylate Copolymer, Aminomethyl Propanediol, Copernicia Cerifera (Carnauba) Wax\ Copernicia Cerifera Cera \Cire De Carnauba, Vp/Eicosene Copolymer, Isostearic Acid, Tocopheryl Acetate, Panthenol, Pantethine, Trimethylpentanediol/Adipic Acid/Glycerin Crosspolymer, Peg-9 Dimethicone, Caprylyl Glycol, Hydroxyethylcellulose, Nylon-6, Pvp, Laureth-21, Simethicone, Phenethyl Alcohol, 1,2-Hexanediol, Disodium Edta, Chloroxylenol, Potassium Sorbate, Phenoxyethanol, [+/- Iron Oxides (CI 77491), Iron Oxides (CI 77492), Iron Oxides (CI 77499), Mica, Yellow 5 Lake (CI 19140), Chromium Oxide Greens (CI 77288), Chromium Hydroxide Green (CI 77289), Carmine (CI 75470), Titanium Dioxide (CI 77891), Bismuth Oxychloride (CI 77163), Yellow 5 (CI 19140), Blue 1 (CI 42090), Blue 1 Lake (CI 42090), Ultramarines (CI 77007), Black 2 (CI 77266)].
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FAQs
What is MACStack Mascara and what does it do?
MACStack is an endlessly buildable, clump-resistant mascara that stacks on infinite layers of volume and length.
Is MACStack Mascara long-lasting?
Yes, MACStack Mascara offers 24-hour wear, plus its clump-resistant and flake-resistant.
How do you apply MACStack Mascara for the best results?
Start with clean skin and remove any excess oil or residue from your lashes. Wipe excess product from mascara wand. Do not pump the wand! Holding the wand horizontally, brush from roots to tips – wiggling the wand in a zigzag motion to coat each lash. Apply another coat using the same technique. Turn the wand upright and use the tip to fan out lashes, focusing on the inner and outer corners. Repeat the process until you achieve your desired look. Happy stacking!
How is MACStack Mascara different from other MAC mascaras?
MACStack Mascara is our never-before-seen endlessly buildable, clump-resistant formula that gives you customizable volume from natural to next-level, along with instant length. Avaliable in a Chestnut brown shade as well.
Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
Best For
Describe Yourself
Most Helpful Positive Review
Easy to Apply, No Spider Lashes, Non Clumping,
Hello my lovely readers! I was recently gifted the new M·A·CStack Micro Brush Mascara by Bzzagent in exchange for a review. The M·A·CStack Micro Brush Mascara retails for about $28, and claims that it's clump resistant, layerable, separates and defines lashes, is nonflaking, and lasts up to 24 hour...
Most Helpful Critical Review
Can see the advantages, but not for me
For me, I don't know if I will be repurchasing this mascara. I have used it twice since receiving it and while the brand is great and I really like the color, this mascara is not a great fit for me. It is a very wet mascara, and stays wet for a while. I have the traditional very straight Asian eyela...
1765 results
Wears well
I like a natural look and this did that very well. I enjoyed wearing this mascara. I did end up returning though because after Mac's powder and eyeshadow both burned my skin, and lipglass burned my lips, I no longer trusted the mascara near my eyes. I'd recommend this if you're not sensitive to products.
The Absolute Best
Verified Reviewer
Reviewed at

Comments about M·A·CStack Mascara
I'm not a makeup wearer, but this mascara changed my world. It truly brightens my eyes. I really love it.
great mascara
Reviewed at

Comments about M·A·CStack Mascara
I really like this mascara. It applies well and really adds volume to my lashes. It also lasts all day and its a daily product I use.
Buildable Volume
Verified Reviewer
Reviewed at

Comments about M·A·CStack Mascara
I've really enjoyed using M·A·CStack Mascara because it's easy to customize depending on the look I want. One coat gives me natural definition, while additional coats build noticeable volume and length without feeling heavy. It separates my lashes well, doesn't flake throughout the day, and the formula stays comfortable to wear. It's become one of my go-to mascaras for both everyday makeup and more glamorous looks.
Surprisingly good
Reviewed at

Comments about M·A·CStack Mascara
Bought this by accident and surprisingly it has exceeded my expectations. Definitely does the job!
Questions
Q&A
Showing 5 out of 13 Questions
- Q
Which brush is best for lengthening lashes, the micro or superstack?
- Asked by Blonddej
- Official Answer By MACThanks for reaching out! Macstack Mascara Superstack focuses on lifting, separating, and defining lashes, while MAC In Extreme Dimension 3D Volumizing Black Lash Mascara features a large molded brush designed to extend length, add dense volume, and create curls, while conditioning for softness and flexibility.Was this answer helpful to you
- Q
I brought the stack mascara. Is it a liquid solution.
- Asked by Peace
- Official Answer By MACMACStack Mascara is a buildable, lightweight mascara that layers easily without clumping. It’s designed to give customizable volume and length, thanks to its smooth liquid texture and flexible brushWas this answer helpful to you
- Q
Is this cruelty free? Peta ? Leaping bunny certified?
- Asked by Deb
- Official Answer By MACThanks for reaching out. M·A·C does not test on animals. We do not own any animal testing facilities, and we never ask others to test on animals for us. While some governments conduct animal testing to prove safety before they will allow us to sell our products, M·A·C has never tested on animals, and we continue to be a leader in the movement to end animal testing globally. To this end, we are proud to partner with IIVS (Institute for In Vitro Sciences) to expand the use and acceptance of non-animal testing methods. More info here: bit.ly/1RPhyXe.Was this answer helpful to you
- Q
Is this mascara waterproof
- Asked by JP
- Official Answer By MACHello there! There is a waterproof version named MAC MACStack Waterproof Mascara.. It continuously builds with clump-resistant volumizing benefits that stacks on infinite layers of volume and length in a waterproof and smudge-proof formula.Was this answer helpful to you
- Q
What is the weight of this item in ounces?
- Asked by lola
- Official Answer By MACHey there, and thanks for reaching out! Chestnut Macstack Mascara Superstack contains 12 ML or 0.405768 ounces. Enjoy!Was this answer helpful to you