Influence of season on some skin properties: winter vs. summer, as experienced by 354 Shanghaiese women of various ages.
Summary of "Influence of season on some skin properties: winter vs. summer, as experienced by 354 Shanghaiese women of various ages."
The facial skin of 354 women, aged 18-80, living in Shanghai, was investigated over two successive 6 month periods, summer and winter. Results from clinical assessments indicate that aging signs, such as wrinkling and sagging, are unaffected over such period. However, physical measurements revealed alterations in some functional criteria of the skin, such as sebum output, skin colour, melanin content of pigmented spots, skin hydration, all being increased during summer. The relationships between all criteria, as well as technical or applied inferences/consequences from this study, are discussed.
Affiliation
L'Oréal Research and Innovation Shanghai, China L'Oréal Research and Innovation, Chevilly-Larue, France.
Journal Details
This article was published in the following journal.
Name: International journal of cosmetic science
ISSN: 1468-2494
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/21382055
- DOI: http://dx.doi.org/10.1111/j.1468-2494.2011.00639.x
Medical and Biotech [MESH] Definitions
Seasonal Affective Disorder
A syndrome characterized by depressions that recur annually at the same time each year, usually during the winter months. Other symptoms include anxiety, irritability, decreased energy, increased appetite (carbohydrate cravings), increased duration of sleep, and weight gain. SAD (seasonal affective disorder) can be treated by daily exposure to bright artificial lights (PHOTOTHERAPY), during the season of recurrence.
Emotions
Those affective states which can be experienced and have arousing and motivational properties.
Hydroa Vacciniforme
A vesicular and bullous eruption having a tendency to recur in summer during childhood and commonly appearing on sun-exposed skin. The lesions are surrounded by an erythematous zone and resemble a vaccination. (From Dorland, 27th ed)
Molting
Periodic casting off FEATHERS; HAIR; or cuticle. Molting is a process of sloughing or desquamation, especially the shedding of an outer covering and the development of a new one. This phenomenon permits growth in ARTHROPODS, skin renewal in AMPHIBIANS and REPTILES, and the shedding of winter coats in BIRDS and MAMMALS.
Dermoscopy
A noninvasive diagnostic technique that enables an experienced clinician to perform direct microscopic examination of the surface and architecture of pigmented SKIN lesions. The four major dermoscopic criteria are ABCD: asymmetry (A), borders (B), colors (C), and different structural components (D) providing a semiquantitative scoring system for each lesion.
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