THE HANDBOOK OF SKIN & AGING: THE SCIENCE, PSYCHOLOGY & THERAPY offers a comprehensive and multidisciplinary exploration of one of the most defining aspects of human life: aging. Bridging biological science, psychology, and therapeutic innovation, this volume examines aging not simply as a cosmetic concern, but as a complex process that shapes physical health, emotional well-being, and overall quality of life. Readers are introduced to the core science of aging, including biomarkers, physiological changes, and the evolving understanding of longevity. The book also addresses the psychological and social dimensions of aging, emphasizing identity, purpose, and resilience as central components of healthy aging. With in-depth discussions on skin rejuvenation, anti-aging therapies, and emerging cell-based approaches, it presents both current knowledge and future directions in the field. Designed for clinicians, researchers, students, and informed general readers, this handbook provides a clear, accessible, and authoritative guide to understanding, caring for, and embracing the aging process.