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KMID : 0604520150410010057
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Journal of the Society of Cosmetic Scientists of Korea
2015 Volume.41 No. 1 p.57 ~ p.62
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Synergistic Effects of UV Absorbance of Nanoemulsions Formed with Organic UV filters and Wax
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Cho Wan-Goo
Cha Young-Kweon
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Abstract
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In this study, we investigated the effect on the increase of UV absorbance using a o/w nanoemulsion containing a blend of surfactants (Tween 80 and Span 80), an organic sunscreen, and wax. The particle size of nanoemulsion produced by PIC (Phase Inversion Composition), in Tween 80/Span 80 system containing candelilla wax was below 50 nm. As the concentration of Tween 80/Span 80/candelilla wax/organic UV filter was fixed at 4.5/0.5/3.0/2.0 wt%, and various organic sunscreens were added to the system, stable nanoemulsion was produced by Parsol MCX and Escalol 587, respectively. In addition, in the same system, when the ratio of Parsol MCX and candelilla wax was less than 2.0, a stable nanoemulsion was obtained. UV absorbance showed a high synergistic effect when Parsol MCX was used with candelilla wax.
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KEYWORD
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nanoemulsion, organic UV filter, absorbance, PIC
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