Essential oils are extracted from flowers, leaves, fruits, barks or roots of plants, and are widely used in lotions and perfumes as well as in aromatherapy. The chemical composition of each essential oil determines its aroma, how well it can be absorbed on, or in the body, and how it affects physiology. Many concentrated extracts can influence mood and have been used over the years to address a number of health problems, including

Check out this article from Dr. Weil on how to effectively find and use essential oils!