US 11,883,513 B2
Hair strengthening composition
Jennifer Mary Marsh, Deerfield Township, OH (US); and Timothy James Felts, Hamilton, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Dec. 8, 2020, as Appl. No. 17/114,767.
Claims priority of provisional application 62/945,959, filed on Dec. 10, 2019.
Prior Publication US 2021/0169760 A1, Jun. 10, 2021
Int. Cl. A61K 8/362 (2006.01); A61K 8/04 (2006.01); A61K 8/34 (2006.01); A61K 8/36 (2006.01); A61K 8/41 (2006.01); A61K 8/46 (2006.01); A61K 8/49 (2006.01); A61K 8/898 (2006.01); A61Q 5/12 (2006.01)
CPC A61K 8/362 (2013.01) [A61K 8/042 (2013.01); A61K 8/342 (2013.01); A61K 8/345 (2013.01); A61K 8/361 (2013.01); A61K 8/416 (2013.01); A61K 8/463 (2013.01); A61K 8/49 (2013.01); A61K 8/898 (2013.01); A61Q 5/12 (2013.01); A61K 2800/596 (2013.01)] 20 Claims
 
1. A hair care composition comprising:
from about 0.04 wt % to about 2 wt % azelaic acid;
from about 0.04 wt % to about 1 wt % oleic acid;
wherein the ratio of oleic acid to azelaic acid is from about 1:1 to about 1:3 oleic:azelaic;
and an aqueous carrier.