You may use PFAS-free dental floss to protect ... a marker of PFAS. Two store-brand floss products with "compare to Oral-B Glide" labels and one with "Teflon fiber" also tested positive for ...

NSF Certification Guideline 537: PFAS-Free Products for Nonfood Compounds and Food Equipment Materials (NSF 537) leverages NSF’s extensive laboratory and testing capabilities to confirm that ...