Shop Map Research Get the app
MAC Stack Waterproof Mascara

Common questions

Is MAC Stack Waterproof Mascara healthy?

MAC Stack Waterproof Mascara scores 32/100 on Scout's independent analysis of ingredients, additives, and lab results — one of the lower scores in Scout's catalog. MAC Stack Waterproof Mascara scores 32/100.

How does MAC Stack Waterproof Mascara compare to other makeup?

MAC Stack Waterproof Mascara ranks #76 of 87 makeup in Scout's independent rankings. The current top score in the category is Primally Pure Lip Stick SPF 15 Lavender Mint at 100/100.

Which ingredients drive MAC Stack Waterproof Mascara's score?

In Scout's ingredient-by-ingredient analysis, PTFE (Polytetrafluoroethylene) — confirmed via CBC lab, Phenoxyethanol, Nylon Compounds are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

Healthy alternatives

100
Primally Pure Lip Stick SPF 15 Lavender Mint
100
Fierce Nature Clear Sun Glow Tallow Skin Tint
$24.03
99
100% Pure Fruit Pigmented Full Coverage Water Foundation
98
Toups & Co Liquid Foundation
Toups & Co Organics
$32.00

See more

MAC Stack Waterproof Mascara

32 Poor

At a glance

Beneficial ingredients 0
Harmful ingredients 4
Category Makeup
Summary

MAC Stack Waterproof Mascara scores 32/100. Contains PTFE (polytetrafluoroethylene), a PFAS 'forever chemical,' confirmed via CBC lab testing — in a waterproof mascara applied near the eyes. Also contains Phenoxyethanol, Nylon compounds, and Dimethicone Silvlate. The waterproof formula is designed to resist removal, meaning these chemicals remain in prolonged contact with the sensitive eye area throughout the day.

Key ingredients 4

PTFE (Polytetrafluoroethylene) — confirmed via CBC lab
Very Bad

PFAS forever chemical confirmed present by independent CBC laboratory testing. PTFE does not break down in the body or environment. Applied near eyes in a waterproof formula designed to resist removal, prolonging contact.

See more about PTFE (Polytetrafluoroethylene) — confirmed via CBC lab →
Phenoxyethanol
Bad

Synthetic preservative that can irritate skin and eyes. Concerning in a product applied directly around the eye area.

See more about Phenoxyethanol →
Nylon Compounds
Bad

Synthetic polymers used for lash-building. Nylon-based microplastics do not biodegrade and can flake into the eyes during wear.

See more about Nylon Compounds →
Dimethicone Silvlate
Bad

Modified silicone that is persistent in the environment and forms an occlusive barrier, trapping chemicals against skin and impeding natural function.

See more about Dimethicone Silvlate →

Get the full breakdown in the Scout appTake Scout shopping

Scan any product to see lab results, healthy alternatives, and your personalized analysis.

Download on theApp Store GET IT ONGoogle Play
Amazon pricing & content

Amazon price as of . Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED “AS IS” AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.