Photoaging: mechanisms and repair.

Author: Rabe JH, Mamelak AJ, McElgunn PJ, Morison WL, Sauder DN

Author affiliation: Department of Dermatology, Johns Hopkins University, USA.

Publication date & source: 2006.07, J Am Acad Dermatol., 55(1):1-19.

Publication type: Review

Aging is a complex, multifactorial process resulting in several functional and esthetic changes in the skin. These changes result from intrinsic as well as extrinsic processes, such as ultraviolet radiation. Recent advances in skin biology have increased our understanding of skin homeostasis and the aging process, as well as the mechanisms by which ultraviolet radiation contributes to photoaging and cutaneous disease. These advances in skin biology have led to the development of a diversity of treatments aimed at preventing aging and rejuvenating the skin. The focus of this review is the mechanism of photoaging and the pathophysiology underlying the treatments specifically designed for its prevention and treatment. LEARNING OBJECTIVES: At the conclusion of this learning activity, participants should be familiar with the mechanism of photoaging, the treatments for photoaging, and the data that supports the use of these treatments.

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