In theory, if it worked correctly, it should be hygenic and better for the environment. But as other commenters have mentioned, in reality they get jammed alot and so the same wet section gets used over and over. Or the owners don’t actually wash the roll and it just gets respooled and put back when dry.
In theory, if it worked correctly, it should be hygenic and better for the environment. But as other commenters have mentioned, in reality they get jammed alot and so the same wet section gets used over and over. Or the owners don’t actually wash the roll and it just gets respooled and put back when dry.
You could do something clever with UV light possibly, but still. There’s going to be plenty of traces of crap on them even if all bacteria is dead