Geranium oil is an essential oil primarily derived from Pelargonium graveolens, but may be extracted from other plants in the genera Geranium and Pelargonium. The oil is a mixture of various aromatics and esters. The primary use is as a fragrance and flavoring agent, but it is also used as an insecticide, fungicide, herbicide, rodenticide and antimicrobial. In reviewing the health and safety incidents related to geranium oil, none were related to its pesticidal uses.