US 12,257,335 B2
Personal care compositions
Aixing Fan, Bridgewater, NJ (US); Thomas Boyd, Metuchen, NJ (US); and Lan Le, Pennsauken, NJ (US)
Assigned to Colgate-Palmolive Company, New York, NY (US)
Appl. No. 17/309,540
Filed by Colgate-Palmolive Company, New York, NY (US)
PCT Filed Dec. 6, 2018, PCT No. PCT/US2018/064190
§ 371(c)(1), (2) Date Jun. 4, 2021,
PCT Pub. No. WO2020/117239, PCT Pub. Date Jun. 11, 2020.
Prior Publication US 2022/0000755 A1, Jan. 6, 2022
Int. Cl. A61K 8/81 (2006.01); A61Q 17/00 (2006.01); A61Q 19/00 (2006.01)
CPC A61K 8/8182 (2013.01) [A61K 8/8147 (2013.01); A61Q 17/00 (2013.01); A61Q 19/007 (2013.01)] 6 Claims
 
1. A personal care composition for use in reducing exposure of gaseous pollutants to skin comprising:
(a) a first vinylpyrrolidone/vinyl acetate copolymer having a molecular weight in the range of from about 30,000 g/mol to about 70,000 g/mol;
(b) a second vinylpyrrolidone/vinyl acetate copolymer having a molecular weight in the range of from about 30,000 g/mol to about 70,000 g/mol; and
(c) a cosmetically acceptable carrier;
wherein the first vinylpyrrolidone/vinyl acetate copolymer is not the same as the second vinylpyrrolidone/vinyl acetate copolymer wherein the combined amount of the first vinylpyrrolidone/vinyl acetate copolymer and the second vinylpyrrolidone/vinyl acetate copolymer is 2%; and
wherein the weight ratio of the copolymer content of (a) to (b) is about 1:3, or is about 3:1.