Wouldn't a natural product be better than a petroleum based product for self made topicals?
Petroleum Jelly May Not Be As Harmless As You Think
[Products containing beeswax, coconut oil, olive oil, shea butter and cocoa butter seal in moisture and don't come with some of the risks of petroleum jelly. "Remember that some of these products are absorbed into the skin, so it's nice to use something that you wouldn't mind putting into your body," Dr. Dattner says.]
http://www.huffingtonpost.com/2013/1...n_4136226.html