Imagine that you are an independent essential oils sales representative and you wholeheartedly believe in the value of using oils for different reasons. Your sister is considering using oils for a few health issues like dry skin and asthma complications, as well as for air purification and cleaning. However, she isn't totally sold on their effectiveness. What would you say to her? How would you convince her of the usefulness of oils? Use specific examples/information from your research and the article.