The compounds that make up lemongrass essential oil are known to have antifungal, insecticidal, antiseptic and anti-inflammatory properties.Many consider it stimulating, relaxing, soothing and balancing. It may help prevent gastric ulcers or relieve nausea.It may help ease diarrhea.It may help reduce cholesterol.It may help regulate blood sugar and lipids.It may act as a pain reliever.It may help relieve stress and anxiety. It may help relieve headaches and migraines.Mix into a warm bath or massage into your skin.Some people massage the diluted essential oil into their temples to help relieve headaches.