This oil has a sharp, camphoric aroma from the leaves and twigs. Antiseptic, cooling, head clearing and stimulating. Eucalyptus has been an integral part of folk therapy for centuries, and it is well documented in numerous early historical texts. It has a cleansing effect on the skin and reduces redness and irritation. Eucalyptus oil is reputed to assist in wound healing and is antiseptic and anti-parasitic.