Question: which essential oils are most useful?
Answer: Lavender. The most popular essential oil because of its versatility and well-liked floral, herbal aroma, lavender can be used in a variety of ways to inspire calm and relaxation. ...  Frankincense. ...  Peppermint. ...  Eucalyptus. ...  Tea Tree. ...  Grapefruit. ...  Rosemary. ...  Lemon.