	US 11,969,494 B2
	Non-therapeutic oral use of a composition for whitening and/or lightening the skin comprising cystine and glutathione in a cystine-glutathione ratio ranging from 1.5 to 4
Joel Duperray, Trefflean (FR); and Renaud Sergheraert, Baden (FR)
Assigned to BRETAGNE CHIMIE FINE, Pleucadeuc (FR)
Appl. No. 17/427,369
Filed by BRETAGNE CHIMIE FINE, Pleucadeuc (FR)
PCT Filed Feb. 10, 2020, PCT No. PCT/EP2020/053311 § 371(c)(1), (2) Date Jul. 30, 2021, PCT Pub. No. WO2020/165084, PCT Pub. Date Aug. 20, 2020.
Claims priority of application No. 1901355 (FR), filed on Feb. 11, 2019.
Prior Publication US 2022/0016005 A1, Jan. 20, 2022
Int. Cl. A61K 8/44 (2006.01); A61K 8/64 (2006.01); A61Q 19/02 (2006.01)

CPC A61K 8/447 (2013.01) [A61K 8/64 (2013.01); A61Q 19/02 (2013.01); A61K 2800/5922 (2013.01); A61K 2800/92 (2013.01)]

12 Claims

1. A non-therapeutic, cosmetic, oral composition for whitening and/or lightening the skin and/or depigmenting the skin, comprising at least cystine and glutathione in a cystine/glutathione ratio of 3, wherein the cystine is present in an amount from 30 to 60% by weight based on the total weight of said composition, wherein the glutathione is present from 10 to 30% by weight based on the total weight of said composition, and wherein the composition does not comprise gooseberry extract.