	US 11,684,558 B2
	Personal care composition preservatives level optimization
Debora W. Chang, Mason, OH (US); Eric Scott Johnson, Hamilton, OH (US); Matthew Francis Kuhar, Cincinnati, OH (US); and Beth Anne Muir, Tipp City, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Oct. 23, 2020, as Appl. No. 17/78,796.
Claims priority of provisional application 62/925,492, filed on Oct. 24, 2019.
Prior Publication US 2021/0121382 A1, Apr. 29, 2021
Int. Cl. A61Q 5/00 (2006.01); A61K 8/49 (2006.01); A61K 8/368 (2006.01); A61K 8/46 (2006.01); A61K 8/58 (2006.01)

CPC A61K 8/4926 (2013.01) [A61K 8/368 (2013.01); A61K 8/463 (2013.01); A61K 8/4946 (2013.01); A61K 8/58 (2013.01); A61Q 5/006 (2013.01); A61K 2800/48 (2013.01); A61K 2800/49 (2013.01); A61K 2800/524 (2013.01); A61K 2800/5426 (2013.01)]

51 Claims

1. A hair care composition comprising:

a. from about 8 to about 17% of one or more surfactants;

b. from about 0.01% to about 10% of one or more surfactant soluble antidandruff agents;

c. from about 0.01% to about 5% of one or more polyacrylate or polyacrylamide based thickening polymer;

d. from about 0.02-0.15% of salicylate salts or acids;

e. from about 0.02-0.15% of benzoate salts or acids wherein there is a weight ratio of about 1:1 to 1:0.08 for the salicylate salts or acids to benzoate salts or acids.