"Whether you choose the bar of soap, whether you use a plain soap or whether you use an antimicrobial soap, the most important thing is to wash your hands", says Professor Schaffner.
They were asked to wash their hands in 60-degree, 79-degree or 100-degree water temperatures using 0.5 ml, 1 ml or 2 ml volumes of soap.
For the most part, Culbert says there is no difference between anti-microbial soaps and "ordinary" soaps, as one has not been proven to be more effective than the other.
Professors from Rutgers University-New Brunswick conducted an experiment to learn the most effective way to clean your hands.
The song takes about 20 seconds, which is the amount of time people should wash their hands.
A type of E. coli bacteria was used but for safety reasons the strain selected was non-pathogenic.
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The time of ten seconds stayed constant in each of the cases.
In a previous study, Schaffner examined the difference between using a paper towel or airing drying hands.
While some might believe that the temperature of the water is killing bacteria on the hands, that's not true.
Scientists have poured cold water on the theory that only a hot bath of shower gets you clean. Many states, in fact, interpret the FDA guidelines as a requirement that water temperature for handwashing must be 100 degrees, he said. While many people assume warmer temperatures get rid of more germs, the researchers' results proved that it's a myth.
When restaurant employees prepare food for consumers to eat, it is better, according to the researchers, for the employees to "thoroughly wash their hands", rather than be concerned about what temperature the water is that they use.
"I think this study indicates that there should be a policy change", said Schaffner. A new study suggests you can turn the heat down a notch because cleaning your hands in cold water is just as good. "Many hand-washing recommendations are being made without scientific backing, and agreement among these recommendations is limited, as indicated by the major inconsistencies among hand-washing signs".