if a hand sanitizer or soap kills up to 99.9% of germs, does lathering your hands with huge amounts of soap make any difference vs a simple pump or two of soap?

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In: 40

Answer 1

While quantity of soap doesn’t really have an impact, people in general are absolutely appalling at washing their hands. There’s a reason there’s a dedicated process to follow for hand washing on entering a sterile environment, large amounts of the hands are routinely missed in standard hand washing. If there is more soap, it has to be spread across a larger surface of the hands, so it will reduce your bacterial load, but that is due to reasons unrelated to the actual efficacy of the soap.