what essential oils are the best?
['Lemon oil. Lemon oil is commonly used in the kinds of commercially available products you encounter every day. ... ', 'Cinnamon oil. ... ', 'Lemongrass oil. ... ', 'Clary sage. ... ', 'Lavender oil. ... ', 'Tea tree oil. ... ', 'Eucalyptus. ... ', 'Rosemary oil.']