Photoaging

Photoaging refers to the process of aging caused by prolonged exposure to ultraviolet (UV) radiation, primarily from the sun, but also from artificial sources. This process is different from chronological aging and manifests as changes in the skin that are not seen in skin protected from sunlight.

Causes

Photoaging is primarily caused by exposure to UVA and UVB rays from the sun. UVA rays penetrate deep into the skin and damage the collagen fibers. This accelerates the process of skin aging. UVB rays, on the other hand, can burn the skin and play a key role in the development of skin cancer.

Symptoms

The symptoms of photoaging include wrinkles, loss of skin tone, rough texture, skin pigmentation changes such as freckles and sun spots, and a leathery appearance. In severe cases, it can also lead to skin cancer.

Prevention

Prevention of photoaging primarily involves protection from the sun. This includes using sunscreen with a high SPF, wearing protective clothing, and avoiding the sun during peak hours. Regular use of moisturizers and anti-aging products can also help to reduce the signs of photoaging.

Treatment

Treatment options for photoaging include topical retinoids, chemical peels, laser resurfacing, and dermabrasion. These treatments can help to reduce the signs of photoaging, but they cannot completely reverse the damage.

See also

• Skin aging
• Sunburn
• Skin cancer

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  Photoaging

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  DNA UV mutation