Peppermint was widely used by teh ancient Greeks and Romans, and may have been cultivated by the Egyptians. The term "mint" is from the Greek Mintha, a mythological nympth transformed into a plant by the goddess Persephone after she learned of her husband Pluto's love for her. This oil is 100% pure.
Meanwhile peppermint oil can keep mice away. Use the spray bottle or cotton balls to put the oil on where the mice active.