The Eucalyptus Essential Oil is extracted from the leaf of the eucalyptus tree which is a native of Australia. It is derived from the eucalyptus plant, which is a fast-growing evergreen that grows all over the world. It is probably most well known for its wonderful benefits for respiratory applications including helping to ease congestion and pressure, colds, flu, fever and bronchitis. The benefits of Eucalyptus can be easily obtained through inhaling and diffusing. Eucalyptus Essential Oil is very effective.