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

I can think of two reasons. Hand sanitizer dries out the hands and doesn’t remove physical grime as effectively. Thus, proper hand-washing keeps your hands healthier and cleaner.