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KMID : 0604520120380020119
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Journal of the Society of Cosmetic Scientists of Korea
2012 Volume.38 No. 2 p.119 ~ p.131
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An Experimental Study on the Property and Stability of W/O Emulsion by Various Structures of Emulsifier
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Kim Woon-Ha
Lee Kwang-Sik
Lee Kun-Kook
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Abstract
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The W/O emulsion is widely used for cosmetics because of its water-proofing benefit and long-lasting moisturizing effect. However, because of low stability of the W/O emulsion, it is very important to control the concentration of electrolyte and emulsifying agent, and ratio of water phase. Among these factors, we focused on the effects of different structures of emulsifying agents on the change of stability. Emulsifying agents were sorted into polyglyceryl ester, silicone and sugar series. We also examined the emulsifyingability of emulsifier by changing the ratio of normal and silicon oil in the oil phase. Through these experimental results, we figured out the property of w/o emulsion depending on the types of emulsifiers, and observed the stability of emulsion considering the change of particles and viscosity over time.
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KEYWORD
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W/O emulsion, emulsifier, particle, stability, viscosity
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