Through these comprehensive tests & trial and error, learn about the science behind aromatherapy which entails the following: the safety usage of essential oils, an introduction to chemical families / chemical components and of their functions, the different routes of absorption of essential oils, the intention of carrier oils, and much more. This course is designed for students to take the practice tests once or on repeat as many of these questions provide an explanation of the correct answer. The intention is for students to understand the facts and science of aromatherapy regardless of their overall quiz performance. This course may also be helpful in aiding one to become a certified aromatherapist. Learning is about progressing no matter what starting level of proficiency one is at. Enjoy!