Ingredients: Sweet Orange, Cassia, Clove Bud, and Nutmeg Blends well with: LemonCloveCinnamon Lab test Guarantee: Each essential oil is thoroughly GC/MS tested to ensure that it is absolutely 100% pure, no fillers. Better Homes & Gardens Ultrasonic Diffuser Instructions (diffuser not included): Add water to the fill line of the diffuser.Add just a few drops of essential oil to the water. Reattach diffuser water well cover. Replace lid and turn diffuser on to begin dispersing aroma and cool mist into your room.