Product Description Citronella oil is an essential oil made from the distillation of the Asian grass plant in the Cymbopogon genus. This fragrant grass was named after the French word "lemon balm" because of its floral, citrus-like aroma. We are a trustworthy organisation in offering a wide gamut of Lemon Citronella Oil (Ceylon Type) Citronella oil is classified in trade into two chemotypes: Ceylon type CAS: 89998-15-2 CAS: 8000-29-1 EINECS: 289-753-6 FEMA: 2308 CoE: 39 Obtained from: Cymbopogon nardus Rendle Consists of (18-20%), limonene (9-11%), methyl isoeugenol (7-11%), citronellol (6-8%), and citronellal (5-15%). Citronella oil is popular as a 'natural' insect repellent. Its mosquito repellent qualities have been verified by research, including effectiveness in repelling Aedes aegypti (dengue fever mosquito).To be continually effective most citronella repellent formulas need to be reapplied to the skin every 30â??60 minutes. Research also indicates that citronella oil is an effective repellent for body louse, head louse and stable flies. A study conducted by ARPA in 1963 determined that hydroxycitronellal was an effective repellent against both aquatic and terrestrial leeches.