Thieves® Essential Oil Blend Thieves® was created based on research about four thieves in France who covered themselves with cloves, rosemary, and other aromatics while robbing plague victims. This proprietary essential oil blend was university tested for its cleansing abilities. It is highly effective in supporting the immune system and good health.* Thieves® oil blend is an integral ingredient in Thieves® Household Cleaner, Thieves® Spray, Thieves® Wipes, Thieves® Lozenges, Thieves® Dentarome Plus™ and Thieves® Dentarome Ultra™ toothpastes, and Thieves® Fresh Essence Plus™ Mouthwash. Thieves Booklet (PDF) Thieves Products (PDF) How to use: For dietary, aromatic, or topical use. When using as a supplement, dilute one drop in 4 fl. oz. of liquid such as goat's or rice milk. Diffuse for short periods of time (1/2 hour or less) in the work or home environment. Possible skin sensitivity. If pregnant or under a doctor's care, consult your physician. Always dilute before applying to the skin or taking internally. Keep out of reach of children. Ingredients: Clove† (Syzygium aromaticum), lemon† (Citrus limon), cinnamon† (Cinnamomum verum), Eucalyptus radiata† and rosemary† (Rosmarinus officinalis CT 1,8 cineol). † 100% pure therapeutic-grade essential oil. * This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.