A friend was a carpet layer, who often cut himself with the sharp knives. They always glued the wound with carpet glue. He never had problems or got scars. (Of corse, one person is not a clinical study.)
+1. There is a plenty of witch doctor tech available in the wild, and in daily use of many 'uncivilized' people, that will never gets its way to the market. Because these work, and things that work are disruptive.
UPD: my fav in this particular case - solution of some Amanita mushrooms in alcohol. Cures any burn, no traces left. Works even on hot chemical burns, like from caprolactam. Will never be accepted by official med.
