PFAs in hundreds of Products

 Including dental floss

https://theintercept.com/2020/12/02/pfas-chemicals-products/

https://www.buzzfeednews.com/article/nidhisubbaraman/oral-b-pfas-dental-floss

https://askthedentist.com/safe-dental-floss/

Recommend silk based floss without wax.

https://www.scientificamerican.com/article/61-unexpected-pfas-forever-chemicals-found-in-food-packaging/