Conditioning shampoo compositions containing select hair...

C - Chemistry – Metallurgy – 11 – D

Patent

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C11D 3/37 (2006.01)

Patent

CA 2250386

Disclosed are aqueous conditioning shampoo compositions comprising an anionic surfactant component; an organic, cationic, hair conditioning polymer; and from about 0.1 % to about 1.0 % by weight of a water-insoluble, synthetic ester having a viscosity of from about 1 to about 300 centipoise, and which conforms to either of formulae (I) and (II), wherein R1 is an alkyl, alkenyl, hydroxyalkyl or hydroxyalkenyl group, having from 7 to 9 carbon atoms; n is a positive integer having a value of from 2 to 4; R2 is an alkyl, alkenyl, hydroxyalkyl or hydroxyalkenyl group, having from 8 to 10 carbon atoms; and Y is an alkyl, alkenyl, or a hydroxy or carboxy substituted alkyl or alkenyl, having from 2 to 20 carbon atoms, wherein the synthetic ester content of the composition represents from about 2.5 % to about 100 % by weight of the total liquid fatty ester content of the composition. The shampoo compositions provide improved hair conditioning performance, and eliminate or minimize the slimy, excessively conditioned, wet hair feel often associated with the use of cationic hair conditioning polymers.

L'invention porte sur des compositions aqueuses pour shampooing traitant comprenant un composant tensioactif anionique, un polymère organique cationique pour la mise en forme du cheveu ainsi que d'environ 0,1 à environ 1,0 % en poids d'un ester synthétique insoluble à l'eau, d'une viscosité comprise entre environ 1 et environ 300 centipoises et répondant à l'une des formules (I) et (II). Dans ces formules, R?1¿ représente un groupe alkyle, alcényle, hydroxyalkyle ou hydroxyalcényle comportant de 7 à 9 atomes de carbone, n représente un nombre entier positif d'une valeur comprise entre 2 et 4, R?2¿ représente un groupe alkyle, alcényle, hydroxyalkyle ou hydroxyalcényle comportant de 8 à 10 atomes de carbone et Y représente un alkyle, un alcényle ou un alkyle ou un alcényle à substitution hydroxy ou carboxy, comportant de 2 à 20 atomes de carbone. Dans cette composition, la concentration en ester synthétique représente d'environ 2,5 à 100 % en poids de la concentration totale en ester gras liquide. Ces compositions pour shampooing, qui possèdent des qualités améliorées de mise en forme du cheveu, éliminent ou minimisent la sensation de poisseux et d'humidité comme l'impression de conditionnement excessif que donnent souvent les cheveux après l'utilisation de shampooing comportant des polymères cationiques de mise en forme du cheveu.

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