Tips to safely reuse your N95 face mask

Air-drying your N95 face mask for a week (ideally, in the sun) is an easy way to ensure that you can reuse it safely. — dpa

Boiling, baking, airing out: The skills required to make sure you’re safe reusing an FFP2 face mask (equivalent to a KN95 or N95 mask) are more often seen in the kitchen.

To be clear, anyone wondering whether these steps are really necessary before reusing a face mask, should know that pathogens you may have exhaled remain on the inside of your mask.