All products featured on Allure are independently selected by our editors.

However, we may receive compensation from retailers and/or from purchases of products through links in this article.

What do you look for in amascara?

Two woman next to a tube of mascara on a blue background

Summer Soleil/Allure

For me, it’s all about aclump-free formulathat adds tons of volume and length.

As luck would have it,MAC Stack Mascaradoes just that.

Who doesn’t want that?

Two woman wearing nude lipstick and mascara on a white background

Courtesy of brand

There are subtle differences between the two mascaras, especially when it comes to the applicator size.

I found it did this with a clump-free, controllable app.

I tested this mascara out recently.

Woman wearing black turtleneck holding two black mascara tubes

Talia Gutierrez using the MAC Superstack Mega and Micro Mascaras

That’s an extremely rare quality for mascara, and it makes me a fan of this formula.

Cosmetic chemist Ginger King credits silica and clay mineral kaolin for keeping the smudginess at bay.

These two ingredients assist with oil absorption, decreasing the chances of the mascara smearing on one’s eyelids.

A woman wearing pearl earrings and pink lipstick with a brown shirt on

Sarah Han using the MAC Superstack Micro Mascara

Thus, creating a stable building ground for long, flake-free, fluttery lashes.

But don’t just take my word for it.

I’ve asked twoAllureeditors to also give their first impressions, ahead.

Woman with green hair wearing a black hoodie and pink lipstick

Alaina Demopoulos using the MAC Superstack Mega Mascara

The result: healthy and fluttery lashesrather than dry and brittle ones that are obviously doused in mascara.

She notes that this mascara allows for repeat program without creating a clumpy mess.

Describing her lashes as “full but not long,” Demopoulos thinks this formula works well when lengthening.

A black open tube of mascara on a white background

Superstack Macro Mascara

Plus, she got none of that spider-look she knows some people love… but she detests.

The only hard part is deciding which one to buy: Mega, Micro, or both.

MAC Stack Mascara’s Mega and Micro are now available onmaccosmetics.comfor $28 each.

A black open tube of mascara on a white background

The Superstack Micro Brush