Hot water or cold? Soap or handwash? Towels or hot air dryers? The post-bathroom ritual is a vital task – but is there a best way to do it?Now wash your hands! It sounds straightforward, but it isn’t. Although there’s plenty of evidence that washing your hands after you’ve been to the loo, before eating, or after travelling on public transport can reduce the spread of disease, only 5% of people wash their hands properly all the time.An observational study of more than 3,000 people found 10% left public toilets without washing them at all and even if they did, 33% didn’t use soap. This matters because, unfortunately, we can’t resist touching our faces, allowing germs to spread nicely from our hands to our noses and mouths, where they can get into the body. Researchers in Brazil and the US found that we touch surfaces in public spaces an average of 3.3 times an ho
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