Turns out that plenty of hand sanitizers contain less than 70% alcohol, at which point they actually don't kill many germs.
Purell's promise of 99.99% effectiveness sets it apart.
So, what about the .01% it leaves behind?
The lonely Germ is featured in various desolate predicaments.
Zach Galifianakis sings a moody rendition of the famous "One is the Loneliest Number," called ".01 is the Loneliest Number."