Learn about how to protect and boost your immune system with Thieves Essential Oil Blend. The oil blend that comprises Thieves is known for enhancing complete health and total well-being. Each of the oils selected makes Thieves one of Young Living�¢??s most effective and favorite products. Utilizing the power and protection of Thieves essential oil blend, Young Living created an extensive line of plant-based household products. From toothpaste and mouthwash to cleaning products, hand soaps, and even throat lozenges, the Thieves product line provides safe, effective alternatives for use in the home.