Eucalyptus essential oil (Eucalyptus globulus) comes from the eucalyptus tree, which is native to Australia. There are a number of traditional uses for this oil, but it must be diluted before putting it on the skin.
A Natural Expectorant
Eucalyptus is probably best known for its ability to act as an expectorant, meaning it can help loosen phlegm. I prefer putting it in a diffuser for this purpose. It can also be applied topically after diluting it in a carrier oil. It is too potent to use by itself. For specific instructions about how to dilute essential oils, see my post on How to Use Lavender Essential Oil.
Because eucalyptus oil has antiseptic properties, it is sometimes used in mouthwashes that kill the bacteria that causes bad breath. Clove essential oil may be used for the same purpose.
Eucalyptus essential oil can repel bugs and is often found in natural insect repellants. Clove and peppermint essential oils can also be used to keep insects away. Eucalyptus oil may also help to kill dust mites found in sheets, blankets, and upholstery (source). Clove essential oil has also been found to be effective against dust mites, so using them together may be more effective. To rid sheets of dust mites, wash them in hot water, then rinse them in cold water. Add 25 drops total of clove and eucalyptus essential oils to the rinse cycle. You can do a second rinse if the smell of the essential oils is too strong for you.
Warning: Eucalyptus essential oil should not be taken internally. When using it topically, dilute it with a carrier oil first. Do not use eucalyptus essential oil if you are pregnant or nursing. Eucalyptus essential oil should not be used with infants.
El-Zemity Saad, Rezk Hussien, Farok Saher, and Zaitoon Ahmed. “Acaricidal activities of some essential oils and their monoterpenoidal constituents against house dust mite, Dermatophagoides pteronyssinus(Acari: Pyroglyphidae).” PubMed. 17 November 2006. Web. 19 October 2014. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1661675/
“Eucalyptus.” University of Maryland Medical Center. 7 May 2013. Web. 29 September 2013.
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