Peppermint is a cross between watermint & spearmint. Peppermint can be used on all skin types as it promotes blood flow, helping your skin to feel refreshed & stimulated, however, it's especially helpful for oily & combination skin. It is useful in the treatment of acne & helps to prevent recurring breakouts. Other benefits are it's soothing & refreshing capabilities.  Peppermint blends well with various other essential oils including eucalyptus, rosemary, lemon, marjoram, so many aromatherapists and herbalists commonly use peppermint oil in their medicinal or aromatic combinations.