Antiseptic, clearing and stimulating. Traditionally inhaled for relief during a chill, Eucalyptus essential oil is obtained from the deep green, sickle shaped leaves of the tree. It is highly effective in massage blends for muscular fatigue or as a pre-sports rub and can be used to aid poor circulation, catarrh, cough, sinusitis and throat infection. It should not be used on children under 3 years old.