Natural citronella oil is a component of the famous Tintin mosquito repellent, which is extracted from the plants of the genus Citronella. It is also called citronella because of its lemon fragrance. Its smell can repel mosquitoes and fleas, reduce indoor bacteria and is harmless to human body. Citronella essential oil is a very good air freshener, which can be used to remove the smell of paint, oil smoke, putrid smell and fishy smell. The most important feature of citronella is insect repellent, which is most suitable for spraying or incense, deodorization, sterilization and insect repellent in summer. Citronella oil is one of the most intolerable essential oils for mosquitoes, so it can keep mosquitoes away within a certain range.