An essential oil is a concentrated, volatile, aromatic liquid that is obtained from the fruits, seeds, flowers, bark, stems, roots, leaves or other parts of a plant. There are estimated to be 10,000 aromatic plants (ie that contain essential oils) on Earth, and about 500 of these are processed commercially for essential oil extraction. These oils have been used for centuries for both their healing and aromatic benefits. Plant Therapy offers over 100 of these essential oils