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EXTERNAL PREPARATION FOR the SKIN.
专利权人:
SHISEIDO COMPANY LTD.
发明人:
ERIKO TAKEOKA,TAKASHI TESHIGAWARA,KENTARO KUSABA,AKIRA MATSUO,JUNKO TAMURA
申请号:
BRPI0821087
公开号:
BRPI0821087A2
申请日:
2008.12.05
申请国别(地区):
BR
年份:
2015
代理人:
摘要:
Object To provide skin external preparations characterized in that the initial permeation rate of oil-soluble drugs (e.g. retinol and tocopherol acetate) is controlled to achieve their sustained release to thereby reduce skin irritation and that they also possess a fresh feel while featuring high degrees of safety and stability. Means of attaining the object A skin external preparation which comprises a finely dispersed, oil-soluble drug containing wax composition, the composition containing a solid or semisolid wax, a nonionic surfactant, an aqueous dispersion medium, and an oil-soluble drug, the mass ratio of the nonionic surfactant to the wax being 1.0 or more, and the wax, with the oil-soluble drug contained therein, being finely dispersed in solid or semisolid form in the aqueous dispersion medium.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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