版權商用圖片 - Human skin changes or ageing skin. A diagram of younger and older skin showing the decrease in collagen fibers, atrophy and broken elastin, formed wrinkles, hair becomes gray in the elderly.
Human skin changes or ageing skin. A diagram of younger and older skin showing the decrease in collagen fibers, atrophy and broken elastin, formed wrinkles, hair becomes gray in the elderly.
