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KMID : 0604520140400030221
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Journal of the Society of Cosmetic Scientists of Korea
2014 Volume.40 No. 3 p.221 ~ p.226
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Nano-emulsion Formed with Phospholipid-Nonionic Surfactant Mixtures and its Stability
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Cho Wan-Goo
Kim Eun-Hee
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Abstract
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IIn this study, O/W type nano-emulsions were prepared by phospholipid-nonionic surfactant mixtures and octyldodecylmyristate using the phase transition low-energy emulsification method. The nano-emulsions were formed only in the very narrow area of the concentration of mixed surfactant and oil molar ratio of around 1 : 1. The particle size of the emulsions was decreased as adding the aqueous phase into the emulsions after phase inversion point unlike the emulsions formed only with nonionic surfactant. Nano-emulsion was stable at room temperature for more than a month. Thus, the nano-emulsions containing phospholipids can be widely used as a cosmetic formulations.
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KEYWORD
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nano-emulsion, phospholipid, stability, electric conductivity, Ostwald ripening
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