Cinnamon bark oil (Cinnamomum verum) is derived from the plant of the species name Laurus cinnamomum and belongs to the Lauraceous botanical family. Usually the bark and leaves are used to extract the oil. Aroma therapists prefer cinnamon bark for it is said to produce better quality oil.The Cinnamon Bark Essential Oil is incredibly fast to clean & purify the air. In just a short span of time,it kills about 99% of airborne germs.