公开(公告)号：US11666620B2

公开(公告)日：2023-06-06

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 ,  A23L33/105 ,  A61K8/9789 ,  A61K8/60 ,  A61K31/704 ,  A61Q19/08

CPC classification number: A61K36/82 ,  A23L33/105 ,  A61K8/602 ,  A61K8/9789 ,  A61K31/704 ,  A61Q19/08 ,  A23V2002/00

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.