Because of all of the benefits of eucalyptus, it makes it an obvious choice to use as an ingredient. Eucalyptus is an aromatic plant with a lot of healing properties. The eucalyptus tree, or Eucalyptus globulus, is native to Australia. However, it has spread to other areas of the world including Europe, South Africa, and India. Depending on what part of the world it is, the eucalyptus tree is referred to the blue gum tree, stringy bark tree, or fever tree.