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公开(公告)号：US10172768B2
公开(公告)日：2019-01-08
申请号：US15576173
申请日：2016-06-13
Applicant: AMOREPACIFIC CORPORATION
Inventor： Hyoung June Kim , Ji Young Lee , Hyun Suk Lee , Yu Chul Jung , Ga Young Cho , Dong Wook Shin , Tae Ryong Lee
Abstract: The present invention relates to a cosmetic composition which contains jade powder so as to block blue light in the visible spectrum. The composition, containing jade powder as an active ingredient, for blocking blue light is capable of specifically reflecting and thus blocking light in the blue light spectrum, which has been difficult to block, thereby protecting the skin.
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公开(公告)号：US10533992B2
公开(公告)日：2020-01-14
申请号：US15559348
申请日：2015-03-19
Applicant: AMOREPACIFIC CORPORATION
Inventor： Hyoung June Kim , Min Sik Choi , Ji Yong Jung , Ju Yearl Park , Tae Ryong Lee , Dong Wook Shin , Eui Dong Son , Min Jung Chae
IPC: G01N33/52 , G01N33/53 , G01N33/68 , G01N33/50 , A61K8/27 , A61K8/29 , A61K33/30 , A61K33/00 , A61K33/24 , A61K8/37 , A61K8/49 , A61Q17/04
Abstract: Unlike a conventional method for evaluating a degree of ultraviolet protection through visual evaluation, the disclosed method for measuring a sunlight protection function can accurately and objectively measure and determine a degree of sunlight protection by measuring a change due to a material to be measured with respect to an expression amount of skin tissue antimicrobial peptides (AMPs) in skin cells, which decrease from exposure to sunlight, and/or a generation amount of S-nitrosylated protein. Additionally, the disclosed measurement method can determine whether blue/violet light of wavelengths of 400-500 nm, which induces the most skin damage among visible rays, is blocked and provide a more specified sunlight protection effect evaluation result. Moreover, by using the disclosed measurement method, a degree of sunlight protection can be indexed, and a sunlight protection composition for protecting normal skin from the blue/violet light can be provided.
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