Lemon Grass Essential Oil Benefits – Multiple properties of Lemon Grass oil gives a person several ways to utilize this oil. It is widely used in aromatherapy, skincare, and hair care. Since it is an essential oil, it needs to get diluted with the essential oil before topical application. It can be diffused into the air and inhaled that fights harmful viruses and bacteria. It helps cleanse the scalp, removes dirt and dandruff.