Some where around a 50/50 mixture
of wax rings and vegetable shortening.
It is far from exotic and it does have a petroleum base (from the wax rings) but I don't find that it leaves a residue. If I need it stiffer I just raise the percentage of wax ring.
I have been using it for most of my shooting life and I like it.
I had a lead on some bees wax from a local guy but he stays too busy to hook up with me. I want to try bees wax, not because I am unhappy with my bore lube but because everyone swears by it.
My reading of history convinces me that most bad government results from too much government. Thomas Jefferson