Especially great for outdoor use, citronella (Cymbopogon nardus) essential oil cleanses the airspace and protects from pesky annoyances through sprays, diffusions or body lotions and balms.Aura Cacia Organic Citronella Essential Oil comes from Sri Lanka. The oil is distilled from the entire plant, a perennial grass which is harvested 3 to 5 times a year.What’s the difference between organic citronella essential oil and conventional citronella essential oil?Organic essential oils differ from conventional oils in that the botanicals from which they are derived are grown according to the USDA’s Organic Standards. Our manufacturing facility and all of our organic essential oils have also been certified organic by the established third-party certifier, Quality Assurance International (QAI).