Estée Lauder Sumptuous Extreme Waterproof Mascara

PFAS forever chemical listed as the 3rd ingredient, indicating very high concentration. PTFE does not break down in the body or environment. Applied near eyes — one of the most permeable and sensitive areas of the body.

Synthetic preservative that can irritate skin and eyes. Linked to nervous system effects at higher concentrations. Concerning in a product applied directly around the eye area.

Solid microplastic polymer used as a bulking agent. Does not biodegrade and accumulates in the environment. Can be absorbed or inhaled as particles flake off during wear.

Microplastic polymer that persists in the environment indefinitely. Used as a film-former in mascara but sheds microplastic particles during application and removal.

Silicone resin used for waterproofing. Bioaccumulative and persistent in the environment. Can trap other chemicals against the skin and impede natural moisture regulation.

Nano-scale silica particles small enough to penetrate skin barriers. Nanoparticles near the eyes raise concerns about ocular absorption and long-term accumulation.

Modified silicone that is persistent in the environment and can form an occlusive barrier on skin, trapping chemicals underneath and impeding natural skin function.