Yes. I haven't seen a Yugo that wasn't bathed in the stuff.
There's a number of techniques for taking it off, including hot water, garment steamers, various chemicals and degreasers, dishwashers, and much, much more. If I were to get another, I would get a $30 steamer from Wal-Mart. Cosmo has a low melting point, so heat is your friend.