1. Human hair / John Gray -- 2. Evaluation techniques / Christopher L. Gummer -- 3. Photographic imaging in hair loss / Douglas Canfield -- 4. Hair follicle anatomy in human scalp biopsies / David A. Whiting and Lady C. Dy -- 5. Nonmedicated grooming products and beauty treatments / Zoe Diana Draelos -- 6. Dandruff and seborrheic dermatitis : use of medicated shampoos / Janet G. Hickman -- 7. Alopecia areata / Maria K. Hordinsky and Ana Paula Avancini Caramori -- 8. Androgenetic alopecia / Andrew G. Messenger -- 9. Telogen effluvium / Wilma F. Bergfeld -- 10. Cicatricial alopecia / Paradi Mirmirani -- 11. Structural hair abnormalities / Hope V. Dinh, Rodney D. Sinclair, and Jack Green -- 12. Scalp prostheses : wigs, hairpieces, extensions, and scalp-covering cosmetics / Ingrid E. Roseborough -- 13. Hair transplantation / Ron Shapiro and Valerie D. Callender -- 14. Alternative treatments for hair loss / Christine Jaworsky -- 15. Hirsutism and hypertrichosis / Katherine R. Kerchner and Amy J. McMichael -- 16. Light-assisted hair removal / Brian Zelickson and Lydia Sahara -- 17. Allergic contact dermatitis / Sharone K. Askari and Erin M. Warshaw -- 18. The biopsychosocial aspects of hair disease / Lucinda S. Buescher and David Resch -- 19. Scalp infections and infestations / Bryan K. Chen and Sheila Fallon Friedlander -- 20. Sources of alopecia information for physicians and patients / Jennifer Conde and Amy J. McMichael -- 21. Approach to the patient with alopecia / Lynne J. Goldberg.