just as with dogs, there are good and bad germs.
"for most of my life, if I’ve thought at all about the bacteria living on my skin, it has been while trying to scrub them away. But recently I spent four weeks rubbing them in. "
https://www.nytimes.com/2014/05/25/maga ... iment.html
" Jamie Heywood, lathers up once or twice a month and shampoos just three times a year. The most extreme case is David Whitlock, the M.I.T.-trained chemical engineer who invented AO+. He has not showered for the past 12 years."
cats have understood this for thousands of years, and they still got it!