Woo-Sun SHIM,Dong-Chan KIM,Young-Min HWANG,Sun-Hwa LEE,Nae-Gyu KANG,Sun-Gyoo PARK,Cheon-Koo LEE
申请号：
US15328233
公开号：
US20170209391A1
申请日:
2015.04.23
申请国别(地区):
US
年份:
2017
代理人:
摘要：
The present disclosure relates to a system for administering retinol into skin that ensures stability of retinol, reduces skin irritation of retinol, and continues to exert effects, wherein the system is a microneedle including microparticles containing retinol or retinol derivatives. The present disclosure further provides a method for manufacturing a retinol administration system that reduces skin irritation, exerts effects of retinol for a long time, and ensures stability of retinol very unstable to light, wet and temperature. The present disclosure further provides a method for administering retinol into skin using the microneedle.
