Warm, relaxing scent, ideal for the cold days of winter: Add 6 drops of cinnamon essential oil to the air diffuser. A scent that lifts the mood and makes the atmosphere fresh and clean: Add 3 drops of cinnamon and 3 drops of orange essential oil to the air diffuser. Antiseptic spray: Add 30 drops of cinnamon essential oil to 300 ml of water and spray onto dark areas, such as basement stairs, in closets or corners to give a spicy, cool scent.