From the leaf of a tall grass native to Asia, Citronella essential oil has a crisp, fresh aroma. With powerful benefits, Citronella oil is an ideal companion for camping, hiking, and trips to the great outdoors. The oil components include citronellal and geraniol, which are known for their cleansing properties. Try using on surfaces in and outside the home. When inhaled, Citronella has a refreshingly positive aroma.