Quote Originally Posted by thebigspendur View Post
Actually there are two kinds. Potassium and Ammonium. The Ammonium type is more the deodorant kind and probably shouldn't be used on your face. The Potassium is the face kind.
I asked a pharmacist about the differences between the two types. She said that basically the Ammonium type would sting more on a cut but that is about all. Been using the Ammonium deodorant type post shave for a couple of years now with no problem.

Bob