This book provides a comprehensive approach to lasers and energy-based devices. It is divided into multiple sections that cover (1) Basics, (2) Vascular, (3) Hair, (4) Pigmentary disorders and tattoos, (5) Rejuvenation, scar remodeling, and body contouring, (6) Soft-tissue fillers and neuromodulators, and (7) Medical applications. Each chapter pulls key pieces of information into tables, making it simple for the reader to access crucial teaching points. Not only does the book explain the science of energy-based devices, but it also provides a practical approach. There is a special emphasis on practical tools and techniques for everyday practice.