Originally Posted by Shadow Dancer
I was told never to use human shampoo or soap on my cats, it will irritate their skin and could make them sick because they lick themselves to wash. Try just rinsing your cat, although the allergy is not their hair, it's actually something to do with when they wash themselves.
True it is something that is excreted out of their glands and into their saliva, which of course gets on their fur when they clean themselves. So I think simply rinsing the cat often should help because you would be rinsing the saliva off.