Cosmed Pharmaceutical Co., Ltd.;Osaka University;Public University Corporation Nara Medical University
发明人:
申请号：
EP13850016.0
公开号：
EP2915557A1
申请日:
2013.11.01
申请国别(地区):
EP
年份:
2015
代理人:
摘要：
An object to be achieved by the present invention is to provide a microneedle array which is able to supply effectively retinoic acid to the skin and effective in treating pimples, stains or wrinkles.The retinoic acid microneedle array comprises: a microneedle array having a microneedle substrate 5 and microneedles 1 disposed on the microneedle substrate 5； and a drug retained on the microneedles 1 and containing a water-swelling polymer and retinoic acid.
