US 12,329,845 B2
Emulsion-based personal care compositions and methods for the same
Nadine Dewdney, Union, NJ (US); Mavis Dennis, Sayreville, NJ (US); and Jodie Parker, Parsippany, NJ (US)
Assigned to Colgate-Palmolive Company, New York, NY (US)
Appl. No. 17/250,960
Filed by Colgate-Palmolive Company, New York, NY (US)
PCT Filed Oct. 3, 2018, PCT No. PCT/US2018/054077
§ 371(c)(1), (2) Date Apr. 2, 2021,
PCT Pub. No. WO2020/072044, PCT Pub. Date Apr. 9, 2020.
Prior Publication US 2021/0378939 A1, Dec. 9, 2021
Int. Cl. A61K 8/86 (2006.01); A61K 8/06 (2006.01); A61K 8/34 (2006.01); A61K 8/365 (2006.01); A61K 8/368 (2006.01); A61K 8/37 (2006.01); A61K 8/891 (2006.01); A61K 8/92 (2006.01); A61Q 19/00 (2006.01)
CPC A61K 8/86 (2013.01) [A61K 8/062 (2013.01); A61K 8/342 (2013.01); A61K 8/345 (2013.01); A61K 8/365 (2013.01); A61K 8/368 (2013.01); A61K 8/375 (2013.01); A61K 8/891 (2013.01); A61K 8/92 (2013.01); A61Q 19/007 (2013.01); A61K 2800/30 (2013.01); A61K 2800/524 (2013.01); A61K 2800/5422 (2013.01)] 13 Claims
 
1. A personal care composition, comprising an emulsion of a hydrophobic phase and a hydrophilic phase,
wherein the hydrophobic phase comprises an emulsifying system comprising a first nonionic surfactant and a second nonionic surfactant,
wherein a weight ratio of the first nonionic surfactant to the second nonionic surfactant is from about 0.9:1 to about 1.1:1,
wherein the first nonionic surfactant is glyceryl monostearate,
wherein the second nonionic surfactant is PEG-100 stearate,
wherein the glyceryl monostearate and the PEG-100 stearate are each, independently and separately, present in an amount of from about 1.75 weight % to about 6 weight %, based on a total weight of the personal care composition,
wherein the emulsifying system further comprises cetyl alcohol and cetylstearyl alcohol 50/50 which are present in a total amount of from about 3.5 weight % to about 6 weight %, based on a total weight of the personal care composition,
wherein the hydrophobic phase further comprises a hydrophobic liquid carrier comprising mineral oil and silicone oil;
wherein the hydrophilic phase comprises water;
wherein the hydrophilic phase further comprises propylene glycol in an amount of from about 1.5 weight % to about 6 weight %, based on a total weight of the personal case composition;
wherein the hydrophilic phase further comprises one or more preservatives, and wherein the preservatives comprise sodium benzoate and caprylyl glycol,
wherein the hydrophilic phase further comprises one or more one or more acids, and wherein the one or more acids comprise lactic acid, and
wherein the personal care composition has a pH of from about 4 to about 6.