Aromatherapy & Health Uses: Has been used in folk herbalism as a calming remed. Used for headaches and nerualgia. Also used as an anti-inflammatory. Other Uses: A very powerful herb to the Druids as it has the power to expel evil spirits, nightmares and despair. Burned at Midsummer Solstice for purification and protection. Sprinkle around or near all doors and windows to form a protective barrier.