Personally I use these: https://www.thehumble.co/collections/dental-floss
It says on the packaging, PFAS & BPA free, the string is made from polyethylene. In the UK I buy them off Amazon. I have no association with this company.
It says on the packaging, PFAS & BPA free, the string is made from polyethylene. In the UK I buy them off Amazon. I have no association with this company.