Adding a third layer to cloth face masks is now recommended for preventing the spread of COVID-19. Non-woven polypropylene fabric is the material of choice for this third layer, but many people may ...

An icon in the shape of a lightning bolt. Impact Link After Business Insider first reported on a group of fashion designers who designed an effective face mask using blue shop towels, one of the ...

Maybe you’ve hacked together a DIY mask from an old T-shirt or pillowcase over the last few weeks. That’s probably good enough for most uses, but if you want to get precise about it, a new study ...

Add Yahoo as a preferred source to see more of our stories on Google. Mordkin says that with a good quality mask that has multiple layers (or when you’re double masking), filters aren’t entirely ...