Shampoo compositions containing a combination of cationic...

A - Human Necessities – 61 – K

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A61K 8/81 (2006.01) A61K 8/46 (2006.01) A61K 8/73 (2006.01) A61Q 5/02 (2006.01) A61Q 5/12 (2006.01)

Patent

CA 2631143

The invention provides an aqueous shampoo composition comprising: (i) one or more anionic cleansing surfactants; (ii) preferably, discrete, dispersed droplets of a water-insoluble conditioning agent with a mean droplet diameter (D3,2) of 4 micrometres or less; (iii) one or more cationic polymers (A) selected from cationically modified acrylamide polymers having a cationic charge density at pH7 of less than 1.0 meq per gram, cationically modified celluloses and mixtures thereof, and (iv) one or more cationic polymers (B) selected from cationically modified acrylamide polymers having a cationic charge density at pH7 of greater than 1.0 meq per gram, cationically modified polygalactomannans, and mixtures thereof, wherein the composition comprises a cationic polymer other than a cationically modified acrylamide polymer.

La présente invention concerne une composition aqueuse de shampoing comprenant : (i) un ou plusieurs agents tensioactifs de nettoyage anioniques ; (ii) de préférence, des gouttelettes distinctes et dispersées d'un agent de conditionnement insoluble dans l'eau ayant un diamètre moyen de gouttelette (D3,2) inférieur ou égal à 4 micromètres ; (iii) un ou plusieurs polymères cationiques (A) choisis parmi des polymères acrylamide cationiquement modifiés ayant une densité cationique de charge à un pH égal à 7 inférieure à 1,0 meq par gramme, des celluloses cationiquement modifiées et leurs mélanges, et (iv) un ou plusieurs polymères cationiques (B) choisis parmi des polymères acrylamide cationiquement modifiés ayant une densité cationique de charge à un pH égal à 7 supérieure à 1,0 meq par gramme, des polygalactomannanes cationiquement modifiés, et leurs mélanges, la composition comprenant un polymère cationique autre qu'un polymère acrylamide cationiquement modifié.

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