Lemongrass

Lemongrass has a light, fresh, citrus aroma with earthy undertones. Refreshing, rejuvenating, stimulating, and balancing, it is an inspiring oil.

In Aromatherapy can be used topically:

to help relieve joint or muscle pain associated with sprains, strains & rheumatoid arthritis
or inhaled can act as a nervine and calmative which enhances relaxation
when experiencing digestive discomfort can act as a carminative and antispasmodic
to help relieve headache