Atlas of trichoscopy is a fundamental work in the field of hair research, based on the extensive clinical and scientific experience of the authors and laid the foundation for the development of the whole science. The term "trichoscopy" was first proposed in 2006 by the group of Professor Lydia Rudnitskaya. During the formation of this diagnostic direction, scientists developed indicator trichoscopic markers of most trichopathologies. criteria for monitoring the activity of the disease and monitoring therapy based on the results of numerous original studies. Today, this developing method is becoming the gold standard in the diagnosis of hair and scalp diseases and in fact represents a guide to the algorithms of trichological patients and is one of the most necessary practical skills for a trichologist. The book is addressed to both novice doctors and specialists who regularly use trichoscopy in their daily work. The monograph contains chapters written by experts in the field of trichoscopy from around the world, which will undoubtedly help to learn the professional subtleties and features of the use of this method of research in clinical practice.