"If you have masks made out of light T-shirt kind of cotton, and you raise it up and you can see gaps, it's probably not great," Guha explained. Guha warns that no fabric mask is full-proof, and ...

If you don’t have any of the materials that were tested, a simple light test can help you decide whether a fabric is a good candidate for a mask. “Hold it up to a bright light,” said Dr ...

The mask can be secured to the head using cloth ties or elastic hair bands. “Even if you don’t have a sewing machine, I think anyone could make it,” Jun says. “If you can’t sew, you ...

UV-Light Face Mask. ... Sept. 28, 2020. The A.I.R. Solo from Oracle Lighting is a UVGI face mask designed to be worn under common face masks to protect users and those around them, killing live ...