Cinnamon Bark has a delicious, spicy-sweet scent. Diffuse 1-2 drops of this oil to support clean air & a healthy immune system. Add to massage oils (5 drops per ounce) for warming relief on sore muscles & joints. A few drops in household cleaning products fights unwanted germs. Cinnamon Bark and Cinnamon Leaf essential oils are distinct and not interchangeable.