Pure and Natural lemongrass essential oil is used as aromatherapy to relieve muscle pain, externally to kill bacteria, ward off insects, and reduce body aches, and internally to help your digestive system. It adds fragrance to cosmetics, soaps, and homemade deodorizers. Lemongrass is an herb that belongs to the grass family of Poaceae. Lemongrass oil has a light and fresh lemony smell with earthy undertones. It is stimulating, relaxing, soothing, and balancing.