The book "Stress and its influence" from the series "My specialty - cosmetology" is a source of relevant theoretical and practical information and covers the latest scientific achievements and practical developments on this topic. The publication is conveniently structured and consists of three parts. The first part describes clinical symptoms, modern ideas about etiology and pathogenesis, diagnostic methods, and also gives a general overview of the currently available methods of cosmetological correction of this condition with a brief description of the mechanisms of their action.