Cinnamon is called Twak in ayurveda commonly known as Dalchini in India. Cinnamon oil is either derived from the bark or leaves of Cinnamomum verum & Cinnamomum cassia tree. Cinnamon is a well known herb which has been used as spice. Cinnamon acts as antibacterial, antifungal, anti-diabetic & antioxidant agent. Cinnamon oil properties makes it suitable for aromatherapy. Cinnamon oil is proved beneficial for depression anxiety & better sleep.