Latin name:Cymbopogon Nardus.Part of the plant used: dry grassSource: JavaExtraction method: Steam distillation. Citronella oil is steam distilled from the leaves and stems of Cymbopogon plant species, especially Cymbopogon nardus.. Citronella oil is known as a plant-based insect repellent, a biopesticide with a nontoxic mode of action, and has been registered for this use in the US.. USA. since 1948. The main countries for producing this oil are Indonesia and China, which together produce about 40% of the world's citronella essential oil. Apart from being useful as an insect repellent for the skin, this oil is good for excessive perspiration, oily skin and hair, and works as a deodorant.. It is said to soothe pain due to rheumatism and arthritis, and resist flu, colds and minor infections.. The oil is good for the digestive system to cure colitis, intestinal infections and eliminate intestinal parasites. Relieves menstrual cramps and pain, and speeds up the heartbeat. Used in a vaporizer, it is known to dispel fatigue, headaches and neuralgia, and create a mood and optimism.. Avoid use during pregnancy and in children under 3 years of age. Do not consume it internally. Ancient cultures in India, Egypt and other places, where the Cymbopogon grass species grew, used them to repel insects, especially mosquitoes. In those days, people settled near rivers and bodies of water. While this was a good thing in many ways, it also meant a lot of insects, mosquitoes, which caused illness and killed people. So, using this herb as a repellent was a matter of life or death at that time.. Claims will only be attended to up to 5 days after receiving your order.