Latin name: Eucalyptus Globulus.Plant part used: Leaves and twigsSource: China.Extraction method: Steam distillation.Eucalyptus essential oil is a concentrated liquid containing volatile aromatic compounds from the Eucalyptus Globulus tree . It is usually distilled, sometimes expressed or solvent extracted. Eucalyptus essential oil is reputed to be antibacterial, disinfectant and analgesic. It has been used to relieve coughs, colds and other respiratory ailments. It soothes muscle and joint pain, and helps heal wounds, burns, ulcers and insect bites. In aromatherapy, eucalyptus is said to promote activity, vitality and energy. For respiratory disorders, a few drops of this oil placed on a cloth can be inhaled through the mouth and exhaled through the nose for half a minute. It is applied directly to wounds, rashes and insect bites. Add a few drops to your bath water to feel invigorated and refreshed. Soak your painful feet in a basin of hot water with 4 to 5 drops of this oil to relieve them. Eucalyptus essential oil is for external use only; always consult a licensed practitioner before using as a health remedy. Essential oils played a role in healing in ancient times in Egypt, China, and other parts of the world. They are said to be the oldest form of medicine and cosmetics, as they are distilled from plants, without involving complicated processes or machinery, but it is an art nonetheless. For their healing and aromatic properties, they were considered more valuable than gold by the ancients.