51. A population-based study of the stratum corneum moisture
- Author
-
Mary Sanae Nakamura, José Eduardo Krieger, Alexandre C. Pereira, Thiago de Farias Pires, Rafael de Oliveira Alvim, Ana Paula Azambuja, and Andrea R. V. R. Horimoto
- Subjects
integumentary system ,Moisture ,Ecology ,familial data modeling ,investigative dermatology ,Dermatology ,Biology ,stratum corneum moisture ,Large sample ,Population based study ,sun exposure ,030207 dermatology & venereal diseases ,03 medical and health sciences ,0302 clinical medicine ,medicine.anatomical_structure ,Clinical, Cosmetic and Investigational Dermatology ,Statistics ,BRASIL ,Stratum corneum ,medicine ,Brazilian population ,030212 general & internal medicine ,Sun exposure ,Corneometer ,Original Research - Abstract
Thiago de Farias Pires,1 Ana Paula Azambuja,2 Andrea Roseli Vançan Russo Horimoto,1 Mary Sanae Nakamura,2 Rafael de Oliveira Alvim,1 José Eduardo Krieger,1 Alexandre Costa Pereira1 1Laboratory of Genetics and Molecular Cardiology, Heart Institute, University of São Paulo Medical School, 2Natura Innovation and Product Technology Ltd., Cajamar, SP, Brazil Background: The stratum corneum (SC) has important functions as a bound-water modulator and a primary barrier of the human skin from the external environment. However, no large epidemiological study has quantified the relative importance of different exposures with regard to these functional properties. In this study, we have studied a large sample of individuals from the Brazilian population in order to understand the different relationships between the properties of SC and a number of demographic and self-perceived variables. Methods: One thousand three hundred and thirty-nine individuals from a rural Brazilian population, who were participants of a family-based study, were submitted to a cross-sectional examination of the SC moisture by capacitance using the Corneometer® CM820 and investigated regarding environmental exposures, cosmetic use, and other physiological and epidemiological measurements. Self-perception-scaled questions about skin conditions were also applied. Results: We found significant associations between SC moisture and sex, age, high sun exposure, and sunscreen use frequency (P
- Published
- 2016