Eucalyptus Citriodora oil is colorless, light yellow or greenish-yellow liquid with a grass aroma like citronella aldehyde, mainly composed of citronella aldehyde (up to 65-95%), citronella alcohol, geraniol and its esters, pinene, eucalyptus, iso-menthol, sesquiterpene alcohol, guacanol, etc. it is obtained by steam distillation of the leaves and top branches of the myrtle plant lemon eucalyptus