The first thing to know about the world’s best mask: it’s not a fancy one.
It’s a cheap, low-tech piece of mask-making technology that works by heating a sheet of masking tape to a certain temperature, and then putting it on a sheet, which is then heated until it melts.
Then it’s placed in a plastic bag.
No glue or other additives.
It takes about an hour to make one.
You can see it here: