Luke in Aahhs- I have now used both, same results. I think they're using liquid petroleum gas as the propellant now. It does dry your skin out some, so a good hand cream is in order. Calvin luke speer wrote: > WD-40 > Hi Calvin, > "Is this the Pump Spray or the Aerosol" .. > May be the flurocarbons that are doing the Job.. > > Magic stuff, best grafitti remover I've run across that you can get on a > sunday anywhere in the world .. > Std Disc Apply