US 12,337,049 B2
Method for whitening skin using composition for skin whitening
Eun Jeong Choi, Yongin-si (KR); Young Gyu Kang, Yongin-si (KR); Hyunjung Choi, Yongin-si (KR); Hyoung June Kim, Yongin-si (KR); and Wonseok Park, Yongin-si (KR)
Assigned to AMOREPACIFIC CORPORATION, Seoul (KR)
Filed by AMOREPACIFIC CORPORATION, Seoul (KR)
Filed on May 17, 2022, as Appl. No. 17/746,555.
Claims priority of application No. 10-2021-0067754 (KR), filed on May 26, 2021.
Prior Publication US 2022/0387277 A1, Dec. 8, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/365 (2006.01); A61Q 19/02 (2006.01)
CPC A61K 8/365 (2013.01) [A61Q 19/02 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A method for whitening a skin of a subject in need thereof, consisting of
administering a cosmetic composition consisting of a compound of the following Chemical Formula, as a single active ingredient, and a pharmaceutically acceptable carrier, excipient, or diluent, to the skin of the subject:

OG Complex Work Unit Chemistry
wherein, in the Chemical Formula,
R1 and R2 are each independently a hydroxyl group, and
R3 is a carboxyl group; and
wherein the compound of the Chemical Formula is included at a concentration of about 0.01 nM to about 10 nM based on a total amount of the cosmetic composition.