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Skin characterization and immediate effects of different dermocosmetic treatments in French and Brazilian skin

Abstract : Background All over the world, people face the same skin problems. However, their skin characteristics are different. Thus, it is a challenge to prescribe treatments that will be effective on different skin types. Therefore, it is very important to consider the skin biology when indicating a dermocosmetic treatment. Objectives To assess skin biophysical parameters in French and Brazilian subjects and to verify the efficacy of four dermocosmetic treatments in these populations. Methods Five test areas were defined on each volar forearm of the eighteen Brazilian and eighteen French participants using a randomized design. Biophysical measurements in terms of skin hydration, skin barrier function, skin brightness, and skin viscoelasticity were performed before and after 60 minutes of treatment. Results Skin biophysical differences between populations were found. French skin has been shown to be more hydrated regarding epidermal mechanic properties and stratum corneum water content and more radiant when compared with Brazilian skin. However, it showed more signs of cutaneous aging and fatigue effects on skin. The Brazilian skin showed better skin barrier function. In addition, the treatments were effective in both populations. Conclusions Despite the differences found in French and Brazilian skin, the proposed dermocosmetic treatments showed effective in both populations. © 2019 Wiley Periodicals, Inc.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02413302
Contributor : Vincent Loisel <>
Submitted on : Monday, December 16, 2019 - 10:44:42 AM
Last modification on : Friday, January 31, 2020 - 12:10:05 PM

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Lívia Salomão Salomão Calixto, Celine Picard, Géraldine Savary, Patrícia M.B.G. Campos. Skin characterization and immediate effects of different dermocosmetic treatments in French and Brazilian skin. Journal of Cosmetic Dermatology, Wiley, 2019, ⟨10.1111/jocd.13003⟩. ⟨hal-02413302⟩

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