Legend has it that during the 15th century, in the height of the bubonic plague outbreak, four thieves were notoriously robbing the graves of the infectious dead for the all their possessions. Amazingly, these robbers never contracted the fatal disease. When finally caught and charged, the robbers were offered a deal of a reduced sentence in exchange for their secret of immunity. So, they shared their knowledge of of herbs and spices they wore on their bodies and their powerful medicinal properties when blended in specific ways. The blend they created was highly effective in killing all of the airborne bacteria. Essential oils of Lemon, Cinnamon, Clove, Eucalyptus, and Rosemary. A powerful antibacterial, anti fungal, antimicrobial, and antiseptic!