Yes, the logic of using lots of water to wash your hands is incorrect. Its all about surface area and the physics of water. Once your hands are wet they can't get any wetter.
It's then down to the effective replenish rate of water onto the hands to wash off the soap.
We always welcome questions from our customers & enjoy sharing what we learn. We've put together a few of the questions we are regularly asked for your information below.
No, because the volume of water is so low, the thermal mass relative to your hands is tiny.
Therefore, washing your hands in cold water does not feel cold.
69% Agriculture (mostly irrigation)
8% Domestic use (household water = drinking water, sanitation)