Essential oils smell great, reduce stress, treat fungal infections, and help you sleep. They are concentrated extractions from plants. A process called distillation turns the “essence” of a plant into a liquefied form for many medicinal and recreational uses. 
There’s a wide variety of essential oils available. Some are valued for their pleasing aroma. Others claim to have powerful healing properties. But their potency can have side effects you must be aware of. 
Health Benefits Essential oils hold a prominent place in traditional and folk medicine around the world. But modern medicine supports many of the ancient claims made about them, including: 
Stress Reduction
Many essential oils are used in aromatherapy to manage stress and anxiety. For example, scientists found that orange oil had an anxiety-reducing effect on male volunteers who inhaled 2.5, 5, or 10 drops. More research is needed, but initial results were promising.
Fungal Infections