Wirelessly posted (Apple iPhone: Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_3_5 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8L1 Safari/6533.18.5)
Goo Gone all the way! Amazing product.
I don't recommend gasoline because it might cause you to alarm the ETD machine if the TSO swabs your passport.