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.