Book excerpt: The book brings together and reinterprets all available information about the principles and methods of skin rejuvenation with PDO threads; contains updated knowledge about the anatomical and functional features of the skin, its aging types and up-to-date rejuvenation methods. The principles and techniques of PDO-threads insertion developed by the author of the book are based on multiple years of experience, with respect to characteristics of the European face morphotype. This edition includes the description of new skin rejuvenation techniques with the help of PDO cog threads. The book will help dermatologists and plastic surgeons to introduce this technology into their skin rejuvenation practice and achieve maximum results with minimally invasive methods. For beginners, the publication will serve as a valuable guide. Acknowledgements The author expresses her deep recognition to Galina Nazariants who have a major work in translating. Thanks to the Art Director of the book Elena Denisova.