11/07/2022
It may be brand-new, but many things have touched your latest mask before you get it, especially if it's handmade. So wash it in hot water (160 F) with residue-free detergent or soap. Rinse it well with fresh water. Then hang to dry. Or soak your mask for 5 minutes in a quart of water with 2 tablespoons of bleach, or a gallon with a third of a cup of bleach.