I have to say that for greasy stains I haven't had much luck without pretreating - ymmv, as they say. That is, motor oil and such. But if it bothers you so much this is certainly worth a try.
Incidentally, the Wikipedia article on Biz has another use listed besides laundry.
"In addition, the product is often used in a non-laundry context for cleaning the tissue off bones, particularly skulls that have interior cavities difficult to scour by mechanical action. Biz is recommended by the Alaska state government and the FBI."
en.wikipedia.org
Incidentally, the Wikipedia article on Biz has another use listed besides laundry.
"In addition, the product is often used in a non-laundry context for cleaning the tissue off bones, particularly skulls that have interior cavities difficult to scour by mechanical action. Biz is recommended by the Alaska state government and the FBI."
