RESEARCH ARTICLE


Long-Term Effect of Some Skin Moisturizers



Ørjan G. Martinsen*, Sverre Grimnes
Department of Physics, University of Oslo, P.O. Box 1048 Blindern, N-0316 Oslo, Norway
Department of Clinical and Biomedical Engineering, Rikshospitalet, N-0027 Oslo, Norway


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Creative Commons License
© 2008 Martinsen and Grimnes

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Department of Physics, University of Oslo, P.O. Box 1048 Blindern, N-0316 Oslo, Norway; Tel: +47 22856474; Fax: +47 22856422; E-mail:o.g.martinsen@fys.uio.no


Abstract

The long term moisturizing effect of ten different skin care products was tested on 22 female volunteers using a low frequency electrical bioimpedance instrument. We found large differences in the moisturizing effect between different products and also large interpersonal variations. Products which gave a large increase in skin hydration on one person could have no effect on another person. These results suggest that there are differences in skin types and that one particular formulation with a given mode of action may be ideal for one skin type but inappropriate for another.

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