D.U.M.E stands for Do Unto My Enemies. It is used for enemy spellwork, to send back to them whatever they have sent out. If someone is causing trouble or harm for you or your family, use D.U.M.E. Oil to debilitate them and bring about your desired outcome. This can also be used with Karmic Retribution Oil, Return Evil To Sender, and other such formulas.
Don't let its humble appearance or nice fragrance deceive you. This is a very potent oil. It is best not to get any on yourself.