In the lesson you will learn the importance of quality, what determines quality, and the many methods of extraction. Just this information alone will allow you to begin healing without doing harm. Ineffectiveness is not the greatest concern regarding poor-quality oils. Since there is no governing body regarding the quality of essential oils it’s imperative that we educate ourselves. Poor-quality oils have the potential to cause more harm due to their carcinogenic properties. If it is your intention to gain health from these amazing allies, then you must learn about quality and insist on it!