Stick compositions

Details Stick compositions Stick compositions

A - Human Necessities

61

K

A61K 8/44 (2006.01) A61K 8/26 (2006.01) A61K 8/28 (2006.01) A61K 8/89 (2006.01) A61Q 15/00 (2006.01)

Patent

CA 2520488

Stick compositions having desirable sensory properties can be made by employing as primary gellant, a combination of amido structurants comprising (i) an N-acylaminoacid amide in which the N-acyl substituent has the formula - CO-RX in which RX represents a branched C6 to C11 alkyl group and (ii) an N- acylaminoacid amide in which the N-acyl substituent contains a linear alkyl group and the cosmetic carrier oil comprising from 25 to 50% by weight of a water-immiscible monohydric alcohol that is liquid at 20o C and a boiling point of higher than 100o C.

On peut fabriquer des compositions de bâtonnets possédant les qualités sensorielles désirées par l'utilisation en tant que gélifiant primaire d'une combinaison d'amido-structurants comprenant (i) un amide N-acylaminoacide dans lequel le substituent N-acyle a la formule -CO-R<SP>X</SP> dans laquelle R<SP>X</SP> représente un groupe alkyle ramifié C¿6? à C¿11? et (ii) un amide N-acylaminoacide dans lequel le substituent N-acyle contient un groupe alkyle linéaire, et une huile d'excipient cosmétique comprenant entre 25 et 50 % en poids d'un alcool monohydrique immiscible à l'eau, qui est liquide à 20?o¿ C et dont le point d'ébullition est supérieur à 100?o¿C.

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