Recent Emulsion Technology in Cosmetics
2012
Hwang, S.R., Chungnam National University, Daejeon, Republic of Korea | Nam, J.O., Chungnam National University, Daejeon, Republic of Korea | Lee, B.J., Chungnam National University, Daejeon, Republic of Korea | Song, W.H., Chungnam National University, Daejeon, Republic of Korea | Lee, C.S., Chungnam National University, Daejeon, Republic of Korea
Emulsions are mixture of immiscible liquids in which one is dispersed in all over the other. They have been applied to many applications including cosmetics, foods, drug delivery system (DDS), fine chemicals, and chemical separations. Especially, emulsion technology is one of the most useful technique to formulate cosmetics such as eye cream, foundation, and foam cleansing. In general, the emulsions can be generated by mechanical agitation of two immiscible fluids. However, the emulsions obtained by conventional method have limited in stability, monodispersity, and complicate process. We describe here preparation techniques of representative cosmetic emulsions such as liposome, liquid crystal emulsion, nanoemulsion, multiple emulsion, and pickering emulsion. Furthermore, various factors which can control the physical properties of each cosmetic emulsions are briefly discussed.
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