Thieves Products start with Thieves® essential oil blend which is an aromatic combination of rosemary, clove, and other botanicals. It is one of Young Living’s proprietary blends inspired by legendary 15th-century French thieves who wore the scent. Thieves is possibly our most beloved and versatile essential oils for the home. For cleaning the home and personal care products like mouthwash, laundry soap, fruit spray and hand purifier, Thieves is an essential ingredient. Young Living’s household products can help you find complete wellness.