These “forever chemicals” make floss glide more easily between ... made from natural fibers like silk or cotton and coated with plant-based waxes like beeswax, candelilla or carnauba.

You should be using a thicker type of waxy-coating floss.” Look for flosses labeled as PFAS-free, made from natural fibers like silk or cotton and coated with plant-based waxes like beeswax ...