Eucalyptus Oil is used for its medicinal properties. Their healing power comes from eucalyptus oil, which is made from the trees oval-shaped leaves. Used for :- 1) Silence a cough 2) Clear your chest 3) Keep the bugs away 4) Disinfect wounds 5) Breathe easy 6) Control blood sugar 7) Soothe cold sores 8) Ease joint pain, etc.