When a citronella candle is lit, the heat from the flame causes the citronella oil to evaporate into the air. As the oil vapor disperses, it creates a fragrant barrier that confuses mosquitoes ...

These include citronella, lemon eucalyptus, lavender, peppermint, and tea tree oil. Each of these oils has its unique properties and benefits. Citronella, for example, has a lemony scent and is ...

Studies suggest citronella helps repel mosquitoes, as well as fleas, aphids, mites, and flies. Some research suggests that thyme essential oil may help repel mosquitoes, ticks, and fleas.