Cinnamon is commonly referred to the bark of a tree cinnamomum zeylancium and is mostly used in cooking. These trees are native to South East Asian region and have spread throughout the world from here. Cinnamon also has its mention in Bible. Cinnamon Oil can be obtained through steam distillation of bark as well as leaves and twigs of the cinnamon tree. Cinnamon leaf Oil is mostly used in aromatherapy and smells like cloves. Cinnamon bark oil is more expensive then the cinnamon leaf oil. Both these oils are also used in fragrance industry.