The book provides a comprehensive guide to PLLA-based collagen-induction treatments, integrating foundational science, anatomy, and advanced clinical techniques in a single resource. Despite their widespread use, these procedures are often performed using fragmented or outdated information, which can lead to suboptimal results and preventable complications. By systematically presenting evidence-based methods, reproducible face and body algorithms, and step-by-step injection protocols, the book enables both novice and experienced practitioners to enhance their skills with confidence and precision.

In addition to detailed guidance on complication management and patient counseling, the book features extensive real-patient case series and accessible procedure videos, offering practical, hands-on learning. Organized from foundational principles to advanced applications—including body-sculpting techniques and post-procedure follow-up—the chapters provide clear answers to common clinical questions and challenges. By combining theory, clinical insight, and actionable tools, the book deepens understanding of collagen-induction therapies and equips practitioners to achieve consistently safe and effective outcomes.

The translation was done with the help of artificial intelligence. A subsequent human revision was done primarily in terms of content.

Dr. Hanseok Lim is a graduate of Yonsei University Wonju College of Medicine and a board-certified specialist in Physical Medicine and Rehabilitation. He holds certification from the Korean Board of Aesthetic Surgery and currently serves as Director of Yonsei Medinoble Clinic, where he combines medical expertise with a commitment to patient-centered aesthetic care.

His professional focus includes evidence-based facial rejuvenation, body contouring, and innovative, minimally invasive aesthetic procedures.