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KMID : 0604520190450010001
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Journal of the Society of Cosmetic Scientists of Korea
2019 Volume.45 No. 1 p.1 ~ p.7
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Study on Stability of Ceramides in Liquid Crystalline Emulsions at High Temperature
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Hong Sung-Yun
Chang Yu-Jin
Lee Jun-Bae
Park Chun-Ho
Park Myung-Sam
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Abstract
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We introduce to prepare liquid crystalline emulsion composed of cetearyl alcohol, cetyl palmitate, sorbitan palmitate, sorbitan olivate, ceramide and so on which can enforce interface between oil-based particle and water phase. In terms of structural analysis, the stability of the liquid crystalline emulsion including ceramide, which is immisible ingredient, at high temperature was proved by polarized microscope, cryo-SEM, small-angle x-ray scattering, in addition to viscometer and static light scattering by physical analysis.
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KEYWORD
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liquid crystalline emulsion, ceramide, static light scattering, formulation stability
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