Textbook Content Expand All | Collapse All Lessons Status 1 Introduction 2 Lesson 01: Aromatherapy: An Art and Science 3 Lesson 02: Essential Oils A. Safety Considerations B. Pathways In and Out of the Body 4 Lesson 03: Physiological and Psychological Effects of Essential Oils A. Physiological Effects B. Psychological Effects 5 Lesson 04: Blending Essential Oils A. Carrier Products B. Blending Basics C. Approach to Blending 6 Lesson 05: Application Methods 7 Integration of Skills 07