The branch of medical science which deals with the functions and structures of skin, nails, and hair, as well as their diseases, is referred to as dermatology. It includes both medications and surgeries. Various fields of dermatology include cosmetic dermatology, dermatopathology, immunodermatology, Mohs surgery, pediatric dermatology and dermatoepidemiology. Major therapies provided under the field of dermatology include excision and treatment of skin cancer, and cryosurgery which treats warts and another dermatosis. Several other therapies include hair removal with laser, hair transplantation, laser therapies for the birthmark or tattoo removal and photodynamic therapy. It also includes procedures like autologous melanocyte transplant known as vitiligo surgery. This book traces the progress of this field and highlights some of its key concepts and applications. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within dermatology. Those in search of information to further their knowledge will be greatly assisted by this book.