The Eucalyptus tree is native to Australia and cultivated worldwide. The leaves of the Eucalyptus are used for the extraction of the Eucalyptus oil. It is antibacterial, antimicrobial, immune system stimulant, anti-inflammatory and has been used as an insect repellent. It is also a powerful degreaser. It is has been known to help improve and enhance respiratory function, as well as its strong antiseptic qualities make it perfect for use in the home to clean surfaces and in diffuser blends.