	US 11,896,693 B2
	Hair conditioner compositions with a preservative system containing sodium benzoate and glycols and/or glyceryl esters
Jean Jianqun Zhao, Cincinnati, OH (US); Heather Lynn Focht, Lebanon, OH (US); David Joseph Kaufman, Fairfield, OH (US); Deborah Mulligan, Cincinnati, OH (US); and Lina Aurora Witte, Monroe, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Dec. 1, 2020, as Appl. No. 17/108,090.
Claims priority of provisional application 62/942,209, filed on Dec. 2, 2019.
Claims priority of provisional application 62/942,208, filed on Dec. 1, 2019.
Prior Publication US 2021/0161780 A1, Jun. 3, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/34 (2006.01); A61K 8/04 (2006.01); A61Q 5/12 (2006.01); A61K 8/368 (2006.01); A61K 8/37 (2006.01); A61K 8/41 (2006.01); A61K 8/19 (2006.01); A61K 8/20 (2006.01); A61K 8/36 (2006.01); A61K 8/42 (2006.01)

CPC A61K 8/345 (2013.01) [A61K 8/042 (2013.01); A61K 8/19 (2013.01); A61K 8/20 (2013.01); A61K 8/342 (2013.01); A61K 8/36 (2013.01); A61K 8/368 (2013.01); A61K 8/375 (2013.01); A61K 8/416 (2013.01); A61K 8/42 (2013.01); A61Q 5/12 (2013.01); A61K 2800/30 (2013.01); A61K 2800/34 (2013.01); A61K 2800/524 (2013.01)]

13 Claims

1. A hair conditioner composition comprising:

a) about 50% to about 95% of an aqueous carrier, by weight of the composition;

b) about 0.1% to about 10% of a cationic surfactant, by weight of the composition;

c) about 1.5% to about 15% of a high melting point fatty compound, by weight of the composition;

d) a preservation system comprising:

i) 0.2% to 0.4% sodium benzoate, by weight of the composition;

ii) about 0.4% by weight of the composition, of a second composition selected from the group consisting of glycol, glyceryl ester, and combinations thereof;

wherein the weight ratio of sodium benzoate to the second composition is about 1:2 to about 1:1; and

e) a gel network,

wherein the conditioner composition has a pH off about 2.5 to about 5, is free of anionic surfactant, and has an undetectable microbe level at two days according to the Bacterial and Fungal Microbial Susceptibility Test.