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Skin ageing: a comparison between Chinese and European populations. A pilot study
S Nouveau-Richard1, Z Yang, S Mac-Mary
1L'Oréal Recherche, Centre Charles Zviak, 90 rue du General Roguet, 92583 Clichy, France.
Journal of Dermatological Science
|September 13, 2005
Summary
Asian skin ages differently than European skin, with Chinese women showing delayed wrinkles but more prominent spots. These differences in skin aging features highlight the need for further research.
Area of Science:
- Dermatology
- Cosmetic Science
- Aging Research
Background:
- Limited data exists on ethnic variations in skin aging.
- European and Asian skin exhibit distinct aging characteristics.
Purpose of the Study:
- To investigate the impact of age and sun exposure on clinical signs of aging in Asian skin.
- To compare skin aging features between Chinese and French women.
Main Methods:
- Clinical examination and standardized photography of 160 Chinese and 160 French women (aged 20-60).
- Assessment of facial wrinkles (crow's-feet, glabella, perioral) and pigmented spots (face, hands).
- Estimation of lifelong sun exposure via questionnaire and comparison across 10-year age groups.
Main Results:
- Wrinkle onset is approximately 10 years later in Chinese women compared to French women.
- Chinese women experience accelerated facial wrinkling between ages 40-50, unlike the linear progression in French women.
- Pigmented spots are a more significant aging sign in Chinese women (30% severe over 40) than in French women (<8% severe).
Conclusions:
- Significant differences observed in the progression of wrinkles and pigmented spots between Chinese and French women.
- The study highlights distinct skin aging patterns based on ethnicity.
- Further large-scale, multicenter studies are recommended to validate these findings.