There is a plant that grows wild that treats poison ivy. I don't know what it is called but it grows wild near my house. It has a little bitty orange flower on it and after the flower dies a pod forms with seeds in it. My grandpa said to boil the leaves in water, let it cool and rub it on the afflicated area. I was wondering if I can use that for my liquid in a bar of soap. Would the saponification process cancel out the active ingredients in the plant?