I. Fundamentals of Body Dysmorphic Disorder and Its Treatment 1. Introduction to BDD 2. Treatment Overview and Roadmap 3. Special Considerations in Treating Patients with BDD 4. Diagnosing and Assessing BDD and Associated Symptoms 5. Enhancing Motivation II. Introductory Sessions: Laying the Foundation for Successful Treatment 6. Session 1: Assessing BDD, Orienting the Patient to CBT-BDD, and Assessing Motivation 7. Session 2: Education and Case Formulation 8. Session 3: Setting Goals, Describing CBT-BDD, and Assessing Thoughts III. Core Treatment Components 9. Sessions 4-5: Evaluating Self-Defeating Thoughts 10. Session 6: Introducing Exposure 11. Sessions 7-9: Adding Ritual Prevention 12. Session 10: Perceptual Retraining for Mirror Checking 13. Sessions 11-20: Introducing Advanced Cognitive Strategies and Moving Forward 14. Termination Sessions, Relapse Prevention, and Booster Sessions IV. Optional Modules for Patients with Relevant Symptoms 15. Skin Picking and Hair Pulling 16. Weight, Shape, and Muscularity 17. Cosmetic Treatment 18. Depression