Ключевые слова: age, aged, aging, anatomy, beautiful, beauty, body, buttocks, care, collagen, comparison, cosmetic, cross, deep, dermatology, dermis, diagram, disease, elastic, elastin, epidermis, face, fat, female, fiber, fibre, health, healthy, hormone, human, hypodermis, layer, lifting, medical, medicine, old, older, problem, science, section, skin, skincare, structure, tissue, treatment, woman, wrinkle, wrinkled, young, younger,