Lasers are fundamental in advanced aesthetics for treating a variety of dermatological concerns. This book provides an introductory overview of laser principles, terminology, and safety essentials. It explores how lasers interact with skin chromophores to achieve targeted results without damaging surrounding tissues. Topics include energy settings, treatment endpoints, skin cooling, and patient selection. Simplified diagrams and procedural steps assist learners in understanding the basic applications of lasers for aesthetic use.
Tianqi Sun specializes in laser applications within clinical and aesthetic contexts, blending biomedical engineering with dermatologic practice. He has led multiple trials on laser safety, pigment modulation, and resurfacing technologies. His expertise is recognized in peer-reviewed articles on ablative and non-ablative systems. As an academic contributor, he regularly advises training institutions on curriculum development for laser therapy. His editorial work spans advanced laser dermatology topics and equipment guidelines. He continues to explore energy-based devices and their interface with human tissue.