If hand sanitizer kills 99.9% of germs, what stops us from using that all of the time instead of hand washing?

Question

If hand sanitizer kills 99.9% of germs, what stops us from using that all of the time instead of hand washing?

In: Biology

Answer 1

Google kid’s experiments with soap/water, sanitizer, and nothing using sliced bread in ziploc bags.

“Moldy bread experiment”

Wash your hands.