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How to make sense of the new findings on ‘forever chemicals’ in makeup

People who wear makeup such as lipstick or mascara may be absorbing or licking up potentially harmful ingredients that hang around for decades in the environment, according to a new study by researchers in the U.S., Canada and Switzerland.

Those ingredients, known as polyfluoroalkyl substances (PFAS), are rarely disclosed on labels, making them hard to avoid, said the study published Tuesday in the journal Environmental Science & Technology Letters.

PFAS are a group of more than 4,700 human-made chemicals that contain fluorine bonded to carbon, a strong chemical bond that makes them hard to break down. Read more…