1 Embryology of Hair Follicle.- 2 The Dermal Papilla and the Growth of Hair.- 3 Hair Keratin.- 4 The Growing Anagen Hair.- 5 Catagen and Telogen Phases of the Growth Cycle.- 6 Innervation and Vasculature of Hair Follicle.- 7 Specific Nerve Endings in Vellus Hair, Guard Hair and Sinus Hair.- 8 Hair Melanin and Hair Color.- 9 Non-human Hair.- 10 Measurements of Hair Growth Under Physiological Conditions.- 11 Glycosaminoglycan Metabolism.- 12 The Hormonal Control of Hair Growth.- 13 Cultivation of Human Hair Follicle Cells.- 14 Genetic Defects Involving the Hair.- 15 Structural Anomalies of the Hair Shaft.- 16 Monilethrix and Pseudo-Monilethrix.- 17 Hypomelanotic Hair Disorders.- 18 Androgenetic Alopecia: Pathophysiological Aspects in Man and Animals.- 19 Androgenetic Alopecia: Clinical Aspects and Treatment.- 20 Alopecia Areata: Pathogenesis and Clinical Picture.- 21 Treatment of Alopecia areata.- 22 Internal Diseases Affecting Hair Growth.- 23 Drugs Affecting Hair Growth.- 24 Cicatricial Alopecias.- 25 Seborrhoeic Dermatitis, Scalp Psoriasis and Hair.- 26 Lichen Planus and Lichenoid Eruptions of the Scalp.- 27 Follicular Mucinosis.- 28 Adnexal Cysts and Tumors of the Scalp.- 29 Fungal Infections of the Scalp.- 30 Piedra.- 31 Trichotillomania and Related Disorders.- 32 Paraneoplastic Changes of the Hair.- 33 Hirsutism.- 34 Antiandrogens and Hair Growth: Basic Concepts and Experimental Research.- 35 Antiandrogens: Clinical Aspects.- 36 Hair and Hair Cosmetics.- 37 Hair Dye Toxicology.- 38 Chemically Induced Depigmentation of Skin and Hair.- 39 Shampooing and Shampoos.- 40 Surgical Treatment of Androgenetic Alopecia.