Science

PFAS: Pretty Freaking Awful Stuff

Or, per- and polyfluoroalkyl substances - you can choose

Where can I find this stuff? And why?

The most well-known PFAS is probably Teflon. Yep, the OG nonstick coating. This is a perfluorinated chemical, and we all have heard how when it starts to peel off or chip from our pans it can be bad.

Perfluroalkyl substances (PFAS), sometimes called PFOA and PFOS, which are specific types of PFAS or PFCs which stands for per- and polyfluorinated chemicals, are used in a variety of different products (more than just pots and pans) because they are water and oil resistant. That makes them super useful for products that we don't want to get wet or stain. Think items like waterproof jackets, stain-resistant fabric on couches or carpets, water-repellent camping gear, and food packaging. The food packaging is a little less obvious, but not when you realize why. It can be super annoying if your cheesy pizza seeps oil through the paper take-out box. So, the manufacturers coat these products with PFAS to make them more durable.

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