US 12,433,829 B2
Agent for enhancing lutein's blue light blocking capacity, and cosmetic composition
Makoto Takahashi, Osaka (JP); and Hiroto Toshima, Osaka (JP)
Assigned to TAIKI CORP., LTD., Osaka (JP)
Appl. No. 17/768,402
Filed by TAIKI CORP., LTD., Osaka (JP)
PCT Filed Nov. 16, 2020, PCT No. PCT/JP2020/042660
§ 371(c)(1), (2) Date Apr. 12, 2022,
PCT Pub. No. WO2021/106657, PCT Pub. Date Jun. 3, 2021.
Claims priority of application No. 2019-216474 (JP), filed on Nov. 29, 2019.
Prior Publication US 2023/0067907 A1, Mar. 2, 2023
Int. Cl. A61K 8/55 (2006.01); A61K 8/31 (2006.01); A61K 8/42 (2006.01); A61Q 17/04 (2006.01)
CPC A61K 8/55 (2013.01) [A61K 8/31 (2013.01); A61K 8/42 (2013.01); A61Q 17/04 (2013.01); A61K 2800/592 (2013.01)] 4 Claims
 
1. A cosmetic composition containing components (a) to (d) below:
(a) one or more of alkyl phosphate esters selected from alkyl phosphate esters having alkyl groups with 12 to 36 carbon atoms;
(b) one or more of substances selected from basic amino acids and organic bases;
(c) water; and
(d) lutein,
wherein an α-gel structure is formed by components (a) to (c).