Glyphosate.. According to a study released in late 2015, an Argentinian research lab reportedly found glyphosate in eighty-five percent of the tampons, and other cotton sanitary products that were tested. Additional pesticides found in tampons include: Malaoxon & Malathion Dichlofluanid Mecarbam Procymidone Methidathion Fensulfothion Pyrethrum Piperonyl Butoxide https://www.meghantelpner.com/blog/tampons-the-dioxin-glyphosate-vagina-cocktail/#:~:text=One%20of%20these%20chemicals%20is,sanitary%20products%20that%20were%20tested.&text=In%202012%2C%20it%20was%20estimated,the%20US%20was%20Roundup%20Ready. Easy enough solution to be found by making your own 100% cotton pads. https://sewguide.com/reusable-cloth-menstrual-sanitary-pad/