And to those whose initial reaction is 'Eww! How dirty!' I have to say this: urine is normally more bacteria-free than tap-water coming out of the shower-head.

And to those whose initial reaction is 'Eww! How dirty!' I have to say this: urine is normally more bacteria-free than tap-water coming out of the shower-head. (Which is why it is a good wound-cleanser for soldiers in battle)