Could be cleaner — real concerns, but manageable if you can't swap.
4
out of 10
The why
Dental floss — most brands contain PFAS (PTFE coating for glide). 2019 study found elevated PFAS blood levels in floss users. Silk floss (Dental Lace) or PFAS-free (Cocofloss) score 1-2.
What's in it
PFASnylonsynthetic wax
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