Skin aging
Skin Aging
Skin aging (pronunciation: /ˈskɪn ˈeɪdʒɪŋ/) is a natural process that involves the gradual deterioration of the skin's structure and function over time.
Etymology
The term "skin aging" is derived from the English words "skin", referring to the body's outer covering, and "aging", which denotes the process of growing older.
Definition
Skin aging is characterized by changes such as wrinkles, fine lines, loss of skin elasticity, and changes in skin texture and skin tone. These changes are influenced by both intrinsic factors (such as genetics and hormonal changes) and extrinsic factors (such as sun exposure and lifestyle habits).
Related Terms
- Wrinkles: Creases or folds in the skin that often result from the aging process.
- Fine lines: Small, shallow lines that appear on the skin as a result of aging.
- Skin elasticity: The skin's ability to stretch and return to its original shape. Loss of skin elasticity is a common sign of aging.
- Skin texture: The surface quality of the skin, which can change with age.
- Skin tone: The color and evenness of the skin, which can be affected by aging.
Causes of Skin Aging
Skin aging is primarily caused by the passage of time (intrinsic aging) and environmental factors (extrinsic aging). Intrinsic aging is a natural process that occurs in all individuals, while extrinsic aging is influenced by factors such as UV radiation, smoking, and poor nutrition.
Prevention and Treatment
Prevention and treatment of skin aging often involve lifestyle modifications, such as avoiding excessive sun exposure, maintaining a healthy diet, and using skincare products with ingredients like retinoids and antioxidants. Medical treatments, such as dermal fillers and laser resurfacing, can also be used to address signs of skin aging.
External links
- Medical encyclopedia article on Skin aging
- Wikipedia's article - Skin aging
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