Soap and water does not fully kill the hand bacteria (which is good, kind of). And there are definitely possible problems with bacteria from those air dryers, s

Soap and water does not fully kill the hand bacteria (which is good, kind of). And there are definitely possible problems with bacteria from those air dryers, see https://www.health.harvard.edu/blog/the-bacterial-horror-of-the-hot-air-hand-dryer-2018051113823 https://www.health.harvard.edu/blog/the-bacterial-horror-of-... - though there seems to be no real consensus here.