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Stability and in vivo efficiency of natural cosmetic emulsion systems with the addition of vegetable oils

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dc.title Stability and in vivo efficiency of natural cosmetic emulsion systems with the addition of vegetable oils en Pavlačková, Jana Kovacsová, Klára Radiměřský, Petr Egner, Pavlína Sedlaříková, Jana Mokrejš, Pavel
dc.relation.ispartof Brazilian Journal of Pharmaceutical Sciences
dc.identifier.issn 1984-8250 OCLC, Ulrich, Sherpa/RoMEO, JCR 2018
utb.relation.volume 54
utb.relation.issue 3
dc.type article
dc.language.iso en
dc.publisher University of São Paulo, Conjunto Quimicas
dc.identifier.doi 10.1590/s2175-97902018000317693
dc.subject Vegetable oil/emulsion/stability en
dc.subject Skin/hydration en
dc.subject TEWL en
dc.description.abstract The aim of the paper is to test stability and biophysical properties of hydrophilic and lipophilic emulsions with selected vegetable seed oils: limnanthes alba, Prunus amygdalus dulcis, Cannabis saliva, Rosa rubiginosa and Hellianthus annuus. Biophysical properties of emulsions are investigated in vivo using non-invasive instrumental methods (comeometry, tewametry and pH) in a group of 12 healthy women volunteers. Their stability profiles (colour, phase separation and centrifugation) under various temperatures (9, 25, 37 and 57 degrees C) and storage time (24 hours, 2, 7, 14, 21 and 28 days) were monitored. The moisturising activities of the emulsions supplemented with various oils were comparable. The lipophilic emulsions showed a better ability to improve the condition of the skin barrier due to formation of a surface lipid film. The tested formulations regulated the pH of the skin towards neutral values. Lipophilic emulsions showed earlier phase separation and changes in colour. The greatest resistance to thermal stress during storage was observed for the emulsion bases. Emulsions containing oils, except for those with rosehip and hempseed oils, were stable up to the temperature of 37 degrees C. The studied emulsion systems are excellent vehicles of vegetable oils and exhibit relatively good stability, benefiting the natural properties of skin. en
utb.faculty Faculty of Technology
utb.identifier.obdid 43878950
utb.identifier.scopus 2-s2.0-85059279836
utb.identifier.wok 000452199700001
utb.source j-wok 2019-01-31T08:59:01Z 2019-01-31T08:59:01Z
utb.contributor.internalauthor Pavlačková, Jana
utb.contributor.internalauthor Egner, Pavlína
utb.contributor.internalauthor Sedlaříková, Jana
utb.contributor.internalauthor Mokrejš, Pavel
utb.wos.affiliation [Pavlackova, Jana; Egner, Pavlina; Sedlarikova, Jana] Tomas Bata Univ Zlin, Fac Technol, Dept Fat Surfactant & Cosmet Technol, Vavreckova 275, Zlin 76001, Czech Republic; [Kovacsova, Klara; Radimersky, Petr] Labs Nat Cosmet, Nobilis Tilia, Krasna Lipa, Czech Republic; [Mokrejs, Pavel] Tomas Bata Univ Zlin, Fac Technol, Dept Polymer Engn, Zlin, Czech Republic
utb.scopus.affiliation Department of Fat, Surfactant and Cosmetics Technology, Faculty of Technology, Tomas Bata University in Zlín, Czech Republic; Laboratories of Natural Cosmetics, Nobilis Tilia, Krásná Lípa, Czech Republic; Department of Polymer Engineering, Faculty of Technology, Tomas Bata University in Zlín, Czech Republic
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