Eucalyptus Essential Oil is derived from the eucalyptus plant (Eucalyptus spp.) and has been used by aboriginal people in Australia for thousands of years.
Eucalyptus Essential Oil is occasionally used in Naturopathic acne treatments. It is generally added as an antibacterial agent to Naturopathic acne face cleansers.
Eucalyptus Essential Oil has antiseptic and antibacterial properties. Eucalyptol (a primary component of Eucalyptus Essential Oil) is an active ingredient in some cough drops and mouth washes. Surgeons even used it in the 1800s to prevent post-surgery infections.
Some people have reported that topical application of Eucalyptus Essential Oil helped to improve their acne symptoms.Laboratory testing has also shown that Eucalyptus Essential Oil is moderately toxic to the acne-causing Propionibacterium acnes bacterium. The primary molecular compounds found in Eucalyptus Essential Oil are 1,8-Cineol (aka Eucalyptol) and alpha-Pinene. Both of these compounds are known to have biological activity.
Fun fact: Koala bears eat Eucalyptus Leaves.