Study finds wearing masks for 30 minutes exposes to toxic chemicals
A study found that several disposable masks contain more than eight times the US recommended limit of toxic volatile organic compounds (TVOCs), which can cause several health issues.
Not that I'm saying to comply but just a FYI for people who don't have a choice. You can get these and remove the insert. Nobody will know and you become unlikely to get hassled. They are a loose mesh once the insert is out. If you want to be extra cautious you can use compressed air to shake off any loose fibers from the mesh.
amazon . com/Adjustable-Reusable-Washable-Protect-Breathing/dp/B08FFLYZHM/