dōTERRA Certified Pure Therapeutic Grade (CPTG™) essential oils represent the safest, purest, and most beneficial essential oils available today. They are gently and skillfully distilled from plants that have been patiently harvested at the perfect moment by experienced growers from around the world for ideal extract composition and efficacy. Experienced essential oil users will immediately recognize dōTERRA's superior quality standard for naturally safe, purely effective therapeutic-grade essential oils.