Topic: Spray-on Bacteria - The Future of Clean?
Don't see this one catching on mainstream, but it could lend itself to one of those mundane things that influence an alternate history.
http://www.dailymail.co.uk/news/article … -skin.html
...MIT grad Dave Whitlock has not showered in a dozen years because he wants to preserve bacteria on his skin.
Instead Whitlock sprays a mist containing live bacteria on his skin twice a day, Mother Dirt, which is sold by the Cambridge-based company he helped found, AOBiome, according to CBS Boston.
Whitlock said: 'I have not taken a shower in over 12 years.
'No one did clinical trials on people taking showers every day.
'So what's the basis for assuming that that is a healthy practice.
...
The scientist got the idea about 'good bacteria' when a woman he was dating asked him why her horse liked to roll on the ground and the dirt during the summertime, the New York Times reported.
Whitlock said: 'The only way that horses could evolve this behavior was if they had substantial evolutionary benefits from it.'