08/25/2021
Guess where you can get 3 layer masks? 😷
From the article:
"I would advise using the most comfortable mask, but at least ensure that it's a double-layer cotton mask," she says — and don't use one with an exhaust valve. (A three-layer mask is a great option if can you find it.) Multiple studies have shown that tightly woven cotton fabrics do a surprisingly good job of filtering out particles, and their performance can actually improve under humid conditions, such as those created when you breathe.
This year, face masks are on most parents' list of back-to-school supplies. But which ones are most effective? Here's how to choose the right one for your child.
