f your headaches are caused by sinus issues, eucalyptus essential oils can become your new best friend. This oil will open up the nasal passages, clear the sinuses, and can help relieve sinus tension that causes the headaches.
One study also found that a combination of peppermint oil, eucalyptus oil, and ethanol provided relaxing effectsTrusted Source to both the muscles and the mind, which could help soothe headaches.
How to use it
You can apply a drop of eucalyptus oil to a carrier oil and apply it to the chest to help clear the sinuses, or add a few drops to hot water and breathe in the vapor.