17 fl/oz (5mL) Antiseptic and pungent properties this essential oil protects against the common cold, mucus in throat, and flu, but was originally used to ward off the Bubonic Plague when four thieves went to steal from the plagues corpses in the 1300s. Made with garlic, rosemary, cinnamon, and eucalyptus this oil will smack anything that tries to threaten your immune system. Perfect if you have a diffuser and are feeling stuffy. To use on the skin, make sure you use a base oil like avacado oil or Shea butter and rub oil on chest, bottoms of feet, and between the shoulder blades.