Blue or White Side Out: Everything You Need to Know About ...
Jan 30, 2020·Surgical mask – This is affordable, which makes it the go-to mask to protect yourself from nCov. It has a white fluid barrier to capture respiratory droplets from the wearer, and a colored waterproof barrier to prevent germs from sticking to it. ... in front, away from your face, and the white portion inside, touching your face. The blue side ...