J Med Assoc Thai 2010; 93 (6):753

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Photo-Aging: A Literature Review
Limpiangkanan W Mail, Limpiangkanan W

The average age of people has been increasing over the years, triggering more awareness and more interest in the
study of regenerative medicine, especially degeneration of the skin which is an organ that is crucial noticeably for appearance.
Skin aging is the multifactorial process both internal and external factors, such as, age, sex, race, disease of internal organs
and environmental exposure. However, the main causes of skin degeneration are heredity and sunlight. The latter induces the
most skin degeneration. Due to strong sunlight all year round in the tropical zone, serious skin degeneration has an effect on
Thai people, causing both anatomical change and microscopic change. Thus far, many studies have been conducted on
pathogenesis and prevention of Photo-aging, as well as regeneration of damaged skin. The current article helps make further
progress to these issues.

Keywords: Photoaging, Ultraviolet light, Anti-aging, Aggravating factor

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