My ex set the woods on fire doing it, but then again, he was one of the dumbest mf'ers I ever knew, so go figure. He put the pyrex bowl directly on the burner of a propane camp stove. Here we have a bowl of alcohol on a open flame & goofy expects success. What he got was a big assed fine from the firemarshal for burning down a 4 mile stretch of woods! Caught himself on fire, no hair, eyebrows, eyelashes, clothes OR PUBE HAIR when he came running in the house. He was so pissed when I laughed, but I just couldn't help. I think stupid's funny. I laughed at him often.(other than bald on both ends, he was fine. Just hurt his pride & bruised his ego). That was only the FIRST time he sat his pubes on fire! LMAO!

To be safe all you need to do is evaporate the alcohol by sitting the bowl on something WARM. I've used a heating pad set on low. Its slow, but safe. There's other solvents besides alcohol, but they're all combustible.