Lemongrass: Cymbopogon flexuosus
Part Used: Leaf
Method of extraction: Distillation 
Therapeutic properties: Lemongrass oil comes from the leaves or grasses of the lemongrass plant, most often the Cymbopogon flexuosus or Cymbopogon citratus plants. The oil has a light and fresh lemony smell with earthy undertones. It is stimulating, relaxing, soothing and balancing. The chemical composition of lemongrass essential oil varies according to the geographical origin; the compounds typically include hydrocarbon terpenes, alcohols, ketones, esters and mainly aldehydes.