We all know that bathing a cat can be hazardous to your skin health. Cats tend to get really pissed off when you put them in water. I've experienced this personally when I tried to wash a cat that had somehow gotten itself into motor oil and no amount of cat licking was going to take off the grime.
So this person has posted on craigslist two effective methods for getting your kitty spotless. If I were you I'd try both methods and then make a decision as to which is more efficient.
Learn to Bathe your Kitty: