Lavender oil is one of the most popular essential oils that are used for multiple purposes. This is a versatile oil that has antibacterial, antiseptic, anti-inflammatory and other properties. It has many beneficial effects, like sedative, detoxifying and analgesic. When used topically or through aromatherapy, lavender oil relaxes body and mind, and treat fungal infections, anxiety, depression and insomnia. It is also beneficial in promoting relaxation, and healing wounds. Some people could be allergic to this oil; it can cause allergic reaction, like skin irritation.