Haha! Just to clarify, it has only been tested on humans (that i'm aware of) I meant that neem oil is the raleigh salve of the plant world. Here is a link... it's a bit pricey, but it sure does seem to do the trick for my ailments!
http://www.amazon.com/Rawleigh-Natural-Antiseptic-Skin-Salve/dp/B00MO073E0/ref=sr_1_1?ie=UTF8&qid=1443231870&sr=8-1&keywords=raleigh+salve
Well you got MY attention lol.... I had to go look for grandmas salve
Shocker! Turpentine?!?! Oh butvut gave me a chance to learn some very interesting stuff, so thanks!
I'll share two things I found!
http://www.drugs.com/npp/turpentine.html
Ok, so I had no idea that it can come from a pine tree
Obviously it can have side effects, just like everything else...
http://www.health-science-spirit.com/kero.htm
Has potential for other uses besides skin salve