massive_bereavement, 1 year ago There's an additional reason why masks are popular in Asian countries: During flight, in-cabin air tends to get quite dry and that can easily upset your throat. A mask reduces the humidity loss caused by the dry air exchange.
There's an additional reason why masks are popular in Asian countries: During flight, in-cabin air tends to get quite dry and that can easily upset your throat.
A mask reduces the humidity loss caused by the dry air exchange.