Citronella oil is a natural essential oil derived from lemongrass. It is widely known for its insect-repellent properties, making it a popular ingredient in candles, sprays, and lotions to keep mosquitoes and other pests at bay. Beyond its use in repelling insects, citronella oil also has antifungal, antibacterial, and anti-inflammatory properties. It can be used to treat skin irritations, relieve stress, and improve mood. Additionally, its refreshing citrus scent makes it a common addition to cleaning products, promoting a clean, fresh atmosphere.