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

Hand sanitizer kills the creatures in the cesspool, but it’s now a cesspool with even more bodies for the next batch of creatures to feast on.

Soap removes the creatures and the substances in the cesspool.