US 12,168,067 B2
Photostable antioxidant cosmetic composition
Brian Scott Bodnar, Manasquan, NJ (US); Simon Pierre Donck, Saint-Ouen (FR); Jun Suzuki, Kanagawa (JP); and Cherry Wang, ShangHai (CN)
Assigned to L'OREAL, Paris (FR)
Filed by L'OREAL, Paris (FR)
Filed on Nov. 30, 2021, as Appl. No. 17/537,662.
Application 17/537,662 is a division of application No. 16/399,313, filed on Apr. 30, 2019, abandoned.
Prior Publication US 2022/0079863 A1, Mar. 17, 2022
Int. Cl. A61K 8/365 (2006.01); A61K 8/34 (2006.01); A61K 8/49 (2006.01); A61K 8/60 (2006.01); A61K 8/73 (2006.01); A61Q 17/04 (2006.01); A61Q 19/00 (2006.01); A61Q 17/00 (2006.01)
CPC A61K 8/602 (2013.01) [A61K 8/347 (2013.01); A61K 8/365 (2013.01); A61K 8/498 (2013.01); A61K 8/731 (2013.01); A61K 2800/30 (2013.01); A61K 2800/48 (2013.01); A61K 2800/522 (2013.01); A61Q 17/00 (2013.01); A61Q 19/00 (2013.01)] 19 Claims
 
1. A composition comprising:
i) polydatin present from about 0.05% to about 5.00% by weight based on the weight of the composition;
ii) a combination of photoisomerization stabilizers, each photoisomerization stabilizer present from about 0.1% to about 2.5% by weight based on the weight of the composition, the combination of photoisomerization stabilizers including luteolin and mangiferin; and
iii) a cosmetically acceptable carrier,
wherein the at least one or combination of photoisomerization stabilizers confers photostabilization to the polydatin by at least 5%, relative to an otherwise identical composition without the at least one or combination of photoisomerization stabilizers, and
wherein the composition is free of baicalin.