公开(公告)号：US20210196582A1

公开(公告)日：2021-07-01

申请号：US17136251

申请日：2020-12-29

Applicant: Amorepacific Corporation

Inventor： Jeong Eun SEO ,  Hyoung June KIM ,  Il Doo KIM ,  Jae Hyeong BAE ,  Doo Young YOUN

IPC: A61K8/02 ,  A61K8/41 ,  A61Q19/00

Abstract: The present disclosure relates to a metal material extraction sheet. According to an aspect of the disclosure, the metal material extraction sheet having a predetermined area may be provided, wherein dopamine whose color is changed when reacting with a metal material is provided on at least a part of the outer surface of the metal material extraction sheet.