Updated 2 hours ago NBC Universal, Inc. A new study released Tuesday is shedding light on harmful chemicals known as PFAS and how much of them exist in cosmetics. In light of the study, Sen. Richard Blumenthal is now calling on a ban of PFAS in personal care products. Scientists are calling the new study released Tuesday surprising. It's the culmination of years of research on the presence of pervasive and persistent harmful chemicals known as PFAS in cosmetics. Download our mobile app for iOS or Android to get alerts for local breaking news and weather. "This new paper really hit us over the head with how products that we directly put on our bodies and can get into our bodies especially through our mouths or our eyes," Linda Birnbaum, Scientist Emeritus and former director of the National Institute of Environmental Health Science and National Toxicology Program said.