Which Face Mask Fabrics Do Hospitals Approve & Disapprove Of?
Apr 02, 2020·The only exceptions to the “cotton rule” are a few hospitals that are using surgical sheets or are OK with breathable poly-cotton fabric. Masks made from synthetic fabrics aren’t a great choice. They generally won’t be breathable, although there are exceptions. Using cotton flannel for the inner side of the mask is 50/50.