Shampoo containing a gel network

Details Shampoo containing a gel network Shampoo containing a gel network

A - Human Necessities

61

K

A61K 8/02 (2006.01) A61K 8/34 (2006.01) A61K 8/37 (2006.01) A61K 8/41 (2006.01) A61K 8/46 (2006.01) A61Q 5/02 (2006.01)

Patent

CA 2621660

Shampoo compositions comprise (a) from about 5 % to about 50 % of one or more detersive surfactants, by weight of the shampoo composition; (b) a dispersed gel network phase comprising, by weight of the shampoo composition, (i) at least about 0.05 % of one or more fatty amphiphiles; (ii) at least about 0.01 % of one or more secondary surfactants; and (iii) water; and (c) at least about 20 % of an aqueous carrier, by weight of the shampoo composition. A process for preparing a shampoo composition comprises the steps of: (a) combining a fatty amphiphile, a secondary surfactant, and water at a temperature sufficient to allow partitioning of the secondary surfactant and the water into the fatty amphiphile to form a pre-mix; (b) cooling the pre-mix below the chain melt temperature of the fatty amphiphile to form a gel network; (c) adding the gel network to one or more detersive surfactants and an aqueous carrier to form a shampoo composition.

L~invention concerne des compositions de shampoing qui comprennent (a) d~environ 5% à environ 50% d~un ou plusieurs surfactants détergents, en poids de la composition de shampoing ; (b) une phase dispersée de matrice de gel comprenant, en poids de la composition de shampoing, (i) au moins environ 0,05% d~un ou plusieurs amphiphiles gras ; (ii) au moins environ 0,01 % d'un ou plusieurs surfactants secondaires ; et (iii) de l'eau ; et (c) au moins environ 20% d~un support aqueux, en poids de la composition de shampoing. L~invention concerne un procédé permettant de préparer la composition de shampoing qui comprend les étapes consistant à : (a) combiner un amphiphile gras, un surfactant secondaire et de l~eau à une température suffisante pour permettre la séparation du surfactant secondaire et de l~eau dans l'amphiphile gras pour former un pré-mélange ; (b) refroidir le pré-mélange en dessous de la température de fusion de la chaîne de l~amphiphile gras pour former une matrice de gel ; (c) ajouter la matrice de gel à un ou plusieurs surfactants détergents et à un support aqueux pour former une composition de shampoing.

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