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Scientists have investigated and found that, as long as you use soap, it doesn't matter if you use cold, warm or hot water to wash your hands. They all are just as good at removing bacteria from skin.
Is it normal to wash one's hands with cold water?
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Scientists have investigated and found that, as long as you use soap, it doesn't matter if you use cold, warm or hot water to wash your hands. They all are just as good at removing bacteria from skin.