Have you ever heard of bile or gall soap? I saw a stain stick which contained gall. I thought it may be a herb I could buy and add it to my soap. Unfortunately, I was wrong. According to Wikipedia, Bile soap comes from deceased mammals and can be mixed with soap. This mixture is called bile soap and it can be applied to garments before washing them. It is a traditional method for removing tough stains. Have you ever heard of such a thing?
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