False – Many standards claim to be “therapeutic grade”, but the challenge lies in deciding which one to trust. These standards are primarily meant for internal use and have been developed by companies selling oils. However, it’s important to note that they may or may not undergo quality control by a third-party lab. Assessing the quality of essential oils goes beyond the expertise of chemists and equipment. It demands years of experience in odor evaluation and an understanding of the specific minor components that make an oil desirable, rather than solely focusing on the major components.