chapter 1. Introduction to contact dermatitis / Robin Lewallen and Steven R. Feldman -- chapter 2. Scalp / Monica Huynh, Michael P. Sheehan, Michael Chung, Matthew Zirwas, and Steven R. Feldman -- chapter 3. Face / Monica Huynh, Michael P. Sheehan, Michael Chung, Matthew Zirwas, and Steven R. Feldman -- chapter 4. Eyelids / Monica Huynh, Michael P. Sheehan, Michael Chung, Matthew Zirwas and Steven R. Feldman -- chapter 5. Mouth, lips, and perioral region / Michael P. Sheehan, Monica Huynh, Michael Chung, Matthew Zirwas, and Steven R. Feldman -- chapter 6. Neck / Monica Huynh, Michael P. Sheehan, Michael Chung, Matthew Zirwas and Steven R. Feldman -- chapter 7. Hands / Michael P. Sheehan, Monica Huynh, Michael Chung, Matthew Zirwas and Steven R. Feldman -- chapter 8. Extremities / Monica Huynh, Michael P. Sheehan, Michael Chung, Matthew Zirwas, and Steven R. Feldman -- chapter 9. Feet / Monica Huynh, Michael P. Sheehan, Michael Chung, Matthew Zirwas, and Steven R. Feldman -- chapter 10. Trunk / Laura Sandoval, Courtney Orscheln, Robin Lewallen, and Steven R. Feldman -- chapter 11. Anogenital region / Monica Huynh, Michael P. Sheehan, Michael Chung, Matthew Zirwas, and Steven R. Feldman -- chapter 12. Patch testing / Laura Sandoval, Adele Clark, Robin Lewallen, and Steven R. Feldman -- chapter 13. Treatment considerations / Farah Moustafa and Robin Lewallen.