MAC Stack Waterproof Mascara
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.
At a glance
Key ingredients 4
PTFE (Polytetrafluoroethylene) — confirmed via CBC labVery 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 →PhenoxyethanolBad
Synthetic preservative that can irritate skin and eyes. Concerning in a product applied directly around the eye area.
See more about Phenoxyethanol →Nylon CompoundsBad
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 SilvlateBad
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 app
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