Human hair. Evaluation. Dermoscopy of hair and scalp disorders (Trichoscopy). Photographic imaging of hair loss. Human follicle anatomy in human scalp biopsies. Nonmedicated grooming products and beauty. Practical case scenarios: How to utilize products. Dandruff and seborrheic dermatitis: Use of medicated shampoos. Alopecia areata. Androgenetic alopecia. Telogen effluvium. Cicatricial alopecia. Structural hair abnormalities. Scalp prostheses: Wigs, hairpieces, extensions, and scalp-covering cosmetics. Hair transplantation for the dermatologist. Alternative treatments for hair loss. Hirsutism and hypertrichosis. Light-assisted hair removal and hair growth. Allergic Contact Dermatitis. Psychodermatoses of the hair. Scalp infections and infestations. Sources of alopecia information for physicians and patients. Approach to the alopecia patient. Hair aging and anti-aging strategies