Their website states and shows that face masks are items you can sanitize. They also have a testimonial from a health care worker that uses it for masks. Neith

Their website states and shows that face masks are items you can sanitize. They also have a testimonial from a health care worker that uses it for masks. Neither go into details but their FAQ page says "UV-C light only sanitizates surfaces it can reach" so that is a fair question you are asking they should address.