The warm and spicy aroma of cassia cinnamon oil is not easily forgotten. It has been used around the world for centuries, early Europeans thought of cassia cinnamon as “rare and precious” spice that they used in tonics for sore throats and coughs. In Aromatherapy cinnamon oil is praised for the soothing and comforting feeling it invokes. Often mixed into a rub for arthritis and other aches and pains. One of the most pleasant of the essential oils to use in a diffuser as it’s aroma is comforting and inviting. Cassia cinnamon blends well with other oils particularly orange, lemon, grapefruit, bergamot, clove, frankincense, and others.