The only problem with using something oatmeal-based is that if you don't wash it off within five minutes you become immobilized in a concretelike mass. First gelatinous and lumpy, then concretelike mass. Yup, that's my Mom's oatmeal.
Even now, when we're visiting Mom, we always suggest taking Mom out for breakfast, Just In Case.
No, put her to work on the development of the anti Anthrax oatmeal formula. She sounds like the perfect candidate. who knows, she just may be your ticket to "Who wants to be a gazzillionaire" :o)