Citronella oil:-

Citronella essential oil is extracted using steam distillation from Citronella grass (part of the Cymbopogon family of grasses). The Cymbopogon family of grasses; originate in tropical climates such as Asia and include familiar names such as lemongrass, which is also popular in aromatherapy. Citronella oil's most useful quality is that of it being an insect repellent. It is best used in a spray, a diffuser or on a cotton ball amongst linen. It is also useful in ridding cats and dogs of fleas.Furthermore, citronella oil helps to clear the mind and has a general toning and tonic effect on the body. It is helpful with colds, flu and minor infections and also has deodorizing qualities.