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Clin Cosmet Investig Dermatol. 2015 Feb 10;8:75-84. doi: 10.2147/CCID.S72244. eCollection 2015.

Solar exposure(s) and facial clinical signs of aging in Chinese women: impacts upon age perception.

Author information

1
L'Oreal Research and Innovation, Paris, France.
2
RB Consult, Bievres, France.
3
L'Oreal Research and Innovation, Shanghai, People's Republic of China.
4
Private Dermatology Consultancy, Montpellier, France.
5
Biotherm International, Levallois-Perret, France.

Abstract

A new reference clinical atlas of facial signs dedicated to photoaging was applied to 301 Chinese women of various ages through standardized photographs. Such approach aimed at better describing the facial changes induced by both real/chronological age and sun exposure and their respective impact on two subcohorts of different behavior with regard to sun exposure. A total of 28 various facial signs were individually graded according to their severity by a panel of experts, and a perceived apparent age of each subject was assessed. Results showed that the severity of major signs significantly increased rather linearly with age, with a higher rate in sun-exposed subjects as compared with subjects who regularly avoid sun exposure. The severity of facial signs, all impacted by sun exposure, better correlated with perceived apparent age than real/chronological age. The protocol used in the present work, similar to that previously applied to two cohorts of French women, assigned a greater impact of sun exposure in the facial aging signs of Asian women - all clinical signs are influenced by extrinsic factors - as compared with Caucasian women of comparable ages, likely related to much more intense ultraviolet (UV) radiation.

KEYWORDS:

UV; clinical evaluation; perceived apparent age; photoaging; solar exposure

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