Eucalyptus essential oil has most of the properties of a typical volatile oil, it’s not very popular as an aromatherapy oil because little was known about it until recent centuries, rather than the more ancient aromatherapy substances. The numerous health benefits of eucalyptus oil have attracted the attention of the entire world, and it has stimulated a great deal of exploration into its usage in aromatherapy as well as in conventional medicine.Eucalyptus essential oil is obtained from fresh leaves of the tall, evergreen eucalyptus tree.