Are all household cleaners created equally? There are a number of reasons we choose Thieves Household Cleaner. This plant-based solution contains pure Young Living essential cinnamon, clove, eucalyptus, rosemary, and lemon oils. The antibacterial properties of some of the oils contained in this blend were studied in a report published by the Scientific Planet Society Journal. Their findings reflect evidence that essential oils, particularly cinnamon oil, are more effective against fighting the growth of bacterial strains than their man-made competitors.