Ingredients: Eucalyptus includes 100% pure steam distilled Eucalyptus leaves (Eucalyptus Globulus) Sweet Orange includes 100% pure cold pressed Orange rind (Citrus Sinensis) Lemongrass includes 100% pure steam distilled Lemongrass leaves (Lemongrass) Lab test Guarantee: Each essential oil is thoroughly GC/MS tested to ensure that it is absolutely 100% pure, no fillers. 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.