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KMID : 0604520130390020083
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Journal of the Society of Cosmetic Scientists of Korea
2013 Volume.39 No. 2 p.83 ~ p.88
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Applying Aqueous Two Phase Systems to Multi-layer Cosmetics
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Hong Jun-Ki
You Jae-Won
Yoo Jang-Yung
Nam Seung-Ok
Lee Sang-Gil
Pyo Hyeong-Bae
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Abstract
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The aqueous two phase system has biocompatibility, because it is physically separated into an immiscible liquid multi-layer induced by incompatibility among hydrophilic components dissolved in the water phase. we have applied this principle to aqueous multi-layer liquid cosmetics and select two representative systems. What it was experimentally obtained was the phase diagrams including a binodal curve, a critical point, tie lines of concentration and tie curves of phase separating volume ratio and phase separating time. From the phase diagrams, we were able to observe existence of the optimum condition to prepare the aqueous multi-layer cosmetics for the systems.
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KEYWORD
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aqueous two phase system, multi-layer, polyethylene glycol, potassium phosphate, ethanol
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