Also to change them (and/or wash your hands) if you touch your face anyway, or forget and sneeze/cough into your hands, etc. They're often brightly colored to reinforce this "reminder" function. They certainly don't have to be. Pretty sure their natural color would be off-white or grey.

You know what else stops you from touching your face?

A face mask.

...ok?

I was more responding to the person about gloves, but what you say is also true.

Just trying to combat all of the people discouraging face mask use, since apparently everyone in America is of the opinion that face masks are useless.