Laser technology is quickly evolving with the presence of newer lasers, along with new indications, that are constantly being introduced. The uses of lasers have become a major discipline and are currently being used in Medical Dermatology, Plastic Surgery, Ophthalmology, Cardiology, Gynecology, Otolaryngology, Neurology/Neurosurgery etc. This book offers comprehensive literature covering all the major disciplines in medicine in which lasers are being used. The authors of Lasers in Dermatology and Medicine: Volume 1: Dermatology are well known in their respective fields and have tried very hard to cover each topic in the most comprehensive, readable, and understandable format. Each chapter consists of an introduction and summary boxes in bulleted formats with up-to-date information highlighting the importance of each respective section, enabling the reader to have an easy approach towards reading and understanding the various topics on lasers. This book has been written with the sincere hope of the editors and the authors to serve as a cornerstone of laser usage in Dermatology and medicine ultimately leading to better patient care and treatments. Lasers in Dermatology and plastic surgery have clearly expanded. The areas or laser treatments include port wine stains, vascular anomalies and lesions, pigmented lesions and tattoos, hair removal, acne, facial rejuvenation, Psoriasis, hypopigmented lesions and Vitiligo, and treatment of fat and cellulites. The lasers are also being used for treatment and diagnosis of skin cancers. This book will be of interest to all the physicians who use or are interested in using lasers in their practice. We are extremely grateful to our contributing authors. This book will serve as a potential study source for dermatologists, plastic surgeons, laser specialists in medicine and surgery.