Citronella oil is also called vanilla oil or Xiongxuan oil. It is obtained by steam distillation of the whole citronella grass. Light yellow liquid. There is a strong aroma of sansho. The main ingredients are citronellal, geraniol and citronellol. Used to extract citronellal for the synthesis of hydroxycitronellal, geraniol and menthol. It can also be used as insecticide, mosquito repellent and soap perfume.