This book provides a structured introduction to anti-aging and healthy aging practices, examining how skin physiology, lifestyle habits, nutrition, and environmental exposure influence visible and internal aging over time. It explains the biological processes behind wrinkles, fine lines, loss of elasticity, oxidative stress, and telomere shortening, while outlining how skincare products, antioxidants, collagen support, sun protection, and daily habits contribute to prevention and maintenance. The content also reviews common cosmetic ingredients, application methods, and herbal remedies within a broader framework of long-term skin health and overall wellness. The book is intended for adults who want a clear and accessible understanding of anti-aging strategies without requiring medical or dermatological expertise. It adopts an explanatory and practical approach, combining scientific context, ingredient analysis, lifestyle guidance, and structured routines to present anti-aging as a consistent, knowledge-based process focused on prevention, realistic expectations, and sustainable daily care.