Which hand washing method is best for cleaning your hands of dirt and germs?
mud/mud mask; hand sanitizer; soap; sink/water; towel
Coat your hands in mud or a mud mask. Try cleaning your hands in the following ways:
- Hand sanitizer only
- Water only
- Soap and water
Make sure you rub your hands the same way for each method.
Which method removed the most dirt?
Try each method for 5 seconds and then again a second time for 20 seconds. Do your results change?
How did you have to rub your hands to remove all of the dirt?