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.