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Brazilian Journal of Pharmaceutical Sciences
On-line version ISSN 2175-9790
GONCALVES, Gisele Mara Silva; SREBERNICH, Silvana Mariana and SOUZA, Jacqueline Alves de Macedo. Stability and sensory assessment of emulsions containing propolis extract and/or tocopheryl acetate. Braz. J. Pharm. Sci. [online]. 2011, vol.47, n.3, pp.585-592. ISSN 2175-9790. http://dx.doi.org/10.1590/S1984-82502011000300016.
The prevention of skin aging has been one of the main aims of cosmetic products. Propolis and tocopheryl acetate can be promising substances because of their antioxidant properties. In this study, propolis extract was obtained and associated with tocopheryl acetate in a cream formulation, which then underwent stability and sensory assessment. The formulation containing propolis extract and tocopheryl acetate proved to be stable in the preliminary stability study, demonstrating gradual darkening and slight pH decrease when subjected to 60ºC for 28 days, but showing stability on rheological study. In the sensory analysis, the formulation containing these two components was preferred by the product testers over the base cream and creams containing propolis extract or tocopheryl acetate alone. In conclusion, given the stability of the formulation and the preference of the product testers for this formulation, this association proved promising for use in cosmetic formulations.
Keywords : Antioxidant [use in cosmetic formulations]; Cosmetics [sensory analysis]; Propolis [extract]; Propolis [use in cosmetics]; Tocopheryl acetate [use in cosmetics].