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Cosmetics 2017, 4(2), 19; doi:10.3390/cosmetics4020019

Sensory Evaluation and Oxidative Stability of a Suncream Formulated with Thermal Spring Waters from Ourense (NW Spain) and Sargassum muticum Extracts

1
Department Chemical Engineering, Faculty of Science, Campus Ourense, University of Vigo, As Lagoas s/n, 32004 Ourense, Spain
2
Department Chemical Engineering, CITI-University of Vigo, Parque Tecnolóxico de Galicia, R/ Galicia 2, 32900 Ourense, Spain
3
Department Analytical Chemistry, Faculty of Science, Campus Ourense, University of Vigo, As Lagoas s/n, 32004 Ourense, Spain
*
Author to whom correspondence should be addressed.
Academic Editor: Se-Kwon Kim
Received: 2 May 2017 / Revised: 5 June 2017 / Accepted: 7 June 2017 / Published: 13 June 2017
(This article belongs to the Special Issue Cosmetics from Marine Sources)
View Full-Text   |   Download PDF [2122 KB, uploaded 13 June 2017]   |  

Abstract

The purpose of this work was to evaluate four thermal spring waters from Ourense and a Sargassum muticum extract as cosmetic ingredients for the preparation of a suncream. The thermal spring waters were tested for their suitability as an aqueous phase main component, and the algal extract was added as an antioxidant instead of using synthetic preservatives in the cosmetic formula. The emulsion was tested for lipid oxidation during a period of 9 months and for consumer acceptance by performing a sensory test on controls and blanks. Further, color parameters were considered, and a pH determination was performed. The S. muticum extract protected from primary and secondary oxidation as efficiently as Fucus sp. or α-tocopherol extracts. In addition, the sensorial test revealed that consumers preferred suncreams prepared with the S. muticum extract and with thermal spring water from O Tinteiro and A Chavasqueira. The pH of the suncreams varied with the selection of the ingredients, and no oscillations in colorimetric values were visually observed. Our results indicate that the algal extract and the thermal spring waters from Ourense are potential cosmetic ingredients, since they showed effectiveness as antioxidant ingredients, and the suncreams were well accepted by consumers. View Full-Text
Keywords: Sargassum muticum; thermal spring water; emulsions; stability; sensory analysis Sargassum muticum; thermal spring water; emulsions; stability; sensory analysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Balboa, E.; Conde, E.; Constenla, A.; Falqué, E.; Domínguez, H. Sensory Evaluation and Oxidative Stability of a Suncream Formulated with Thermal Spring Waters from Ourense (NW Spain) and Sargassum muticum Extracts. Cosmetics 2017, 4, 19.

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