Lemongrass essential oil is extracted from the fresh or partly dried leaves of the fast-growing aromatic grass of lemongrass. The oil has a lemony, sweet aroma. Lemongrass oil revitalizes the body and relaxes the mind. It helps relieve headaches and helps to combat nervous exhaustion and stress-related conditions. It is useful in respiratory infections such as sore throat; it also helps relieve muscle pains. It is effective on oily skin and acne. It helps alleviate excessive perspiration. It acts as an insect repellent and helps keep pets clean of fleas, ticks and lice.