27 citations
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January 2002 in “Exogenous Dermatology” In this study, researchers reported that chronic UV exposure may contribute to androgenic alopecia progression by influencing hair cycle changes and exacerbating solar elastosis in the scalp.
September 1999 in “The Journal of The British Menopause Society” This review discusses how menopause and hormone replacement therapy affect skin aging in women but reports no new clinical findings.
13 citations
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September 2014 in “Journal of photochemistry and photobiology. B, Biology” This study found that UV radiation exposure increased protein elution and altered protein characteristics in hair fibers, suggesting environmental factors impact hair shaft proteins.
This study found that chronic UVR exposure in mice and humans leads to a permanent loss of papillary fibroblasts in the upper dermis, which is associated with changes in the extracellular matrix.
62 citations
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January 2003 in “Dermatology” This review suggests that androgenetic alopecia may be exacerbated by exposure to ultraviolet radiation and proposes considering it as a photoaggravated condition requiring photoprotection.