公开(公告)号：US20210038673A1

公开(公告)日：2021-02-11

申请号：US16766158

申请日：2018-11-22

Applicant: AMOREPACIFIC CORPORATION

Inventor： Yeongran LEE ,  Hyoung-June KIM ,  Jun Seong PARK ,  Kyeonghwan HWANG

IPC: A61K36/82 ,  A61K31/704 ,  A61K8/60 ,  A61K8/9789 ,  A61Q19/08 ,  A23L33/105

Abstract: The present specification discloses a composition for external application to skin, containing a tea plant root extract as an active ingredient, for treatment of skin damage caused by fine dust, whereby the expression level of one or more selected from a group consisting of IL-36G (NM_019618), S100A7 (NM_002963), S100A8 (NM_002964) and XDH (NM_000379), which are genes in skin cells the expression level of which is affected by fine dust, is regulated to a normal level.