A couple more facts just as important as water, soap and scrubbing time: The faucet is contaminated when it is turned on with dirty hands. When finished washing hands, do not touch the faucet directly to turn it off or your hands will be dirty again. After you've dried your hands, use the towel to turn off the water and put the towel in the laundry, or rubbish if it is disposable.
A couple more facts just as important as water, soap and scrubbing time: The faucet is contaminated when it is turned on with dirty hands. When finished washing hands, do not touch the faucet directly to turn it off or your hands will be dirty again. After you've dried your hands, use the towel to turn off the water and put the towel in the laundry, or rubbish if it is disposable.