PFAS found in roughly half of tested cosmetics
“No one wants to get out of the swimming pool looking like a raccoon,” says Graham Peaslee, a professor of physics at the University of Notre Dame. True enough, but waterproof mascara has a price. Many companies use chemicals known as PFAS (per- and polyfluoroalkyl substances) to make cosmetics more spreadable, waterproof, or “long-lasting.” Here’s what you should know.
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