Been sprayed a couple of times in trainning situations - full face followed by physical action of some sort, just so we knew we could still function and to what extent. And a couple of times incidentally during arrest incidents...
Yeah, the stuff works. No it's not one hundred percent and it is possible to continue on under it's effects. Yeah, it hurts like Hades... Literally.
No don't try it on yourself without supervision.
Or maybe that should be: