Cleansing Compositions

Abstract

Described herein, are personal care compositions comprising a surfactant system; an amino acid, e.g. taurine; and a deposition aid comprising a PVM/MA copolymer having a M.W. of from about 30,000 to about 1,000,000, or a vinylimidazolium vinyl pyrrolidone copolymer. Methods of making and using these compositions are also described.

What is claimed is: 
     
         1 . A personal care composition comprising:
 a surfactant system;   an amino acid; and   a deposition aid comprising
 a PVM/MA copolymer having a molecular weight (M.W.) of about 30,000 to about 1,000,000, or 
 a vinylimidazolium vinyl pyrrolidone copolymer. 
   
     
     
         2 . The personal care composition of  claim 1 , wherein the amino acid comprises an amino group and a sulfonic acid group or a carboxy group. 
     
     
         3 . (canceled) 
     
     
         4 . The personal care composition of  claim 1 , wherein the amino acid is selected from the group consisting of taurine, arginine, glycine, and a combination of one or more thereof. 
     
     
         5 . (canceled) 
     
     
         6 . (canceled) 
     
     
         7 . The personal care composition of  claim 1 , wherein the PVM/MA copolymer has a further polymerizable ethylenically unsaturated monomer; wherein the further polymerizable ethylenically unsaturated monomer comprises methyl vinyl ether (methoxyethylene). 
     
     
         8 . The personal care composition of  claim 7 , wherein the PVM/MA copolymer has a molecular weight (M.W.) of from about 300,000 to about 800,000, optionally about 700,000. 
     
     
         9 . The personal care composition of  claim 7 , Therein the PVM/MA copolymer is a liquid at room temperature. 
     
     
         10 . The personal care composition of  claim 7 , wherein the vinylimidazolium vinyl pyrrolidone copolymer is a vinylimidazolium vinyl-2-pyrrolidone copolymer, for example 1-methyl-3-vinylimidazolium methyl sulfate-N-vinyl-2-pyrrolidone copolymer (Polyquaternium 44). 
     
     
         11 . The personal care composition of  claim 1 , wherein the deposition aid is present in the composition in an amount of from 0.01% to 2%, for example from 0.01% to 1%, for example from 0.03% to 1%, for example from 0.05% to 0.08%, for example from 0.06% to 0.07%, by weight of the composition. 
     
     
         12 . The personal care composition of  claim 1 , wherein the surfactant system comprises at least one anionic surfactant; at least one zwitterionic surfactant; and at least one nonionic surfactant. 
     
     
         13 . The personal care composition of  claim 1 , wherein the surfactant system is present in the composition in an amount of from about 5% to about 30%, for example from about 5% to about 25%, for example from about 10% to about 20%, for example from about 12% to about 18%, for example from about 14% to about 16%, by weight of the composition. 
     
     
         14 . The personal care composition of  claim 1 , wherein the surfactant system comprises an anionic surfactant selected from sulfate surfactants; for example sodium laureth sulfate, alpha olefin sulfate, sodium lauryl sarcosinate, sodium pareth sulfate, sodium myreth sulfate, sodium dodecyl sulfate, ammonium lauryl sulfate, and ammonium laureth sulfate; and sulfonate surfactants, for example alkyl sulfonates and alpha olefin sulfonates. 
     
     
         15 . The personal care composition of  claim 1 , wherein the surfactant system comprises a zwitterionic surfactant selected from quaternary ammonium carboxylate betaines, for example cocoamidopropyl betaine, and sultaines, for example cocamidopropylhydroxysultaine. 
     
     
         16 . The personal care composition of  claim 1 , wherein the surfactant system comprises one or more nonionic surfactants independently selected from polyether surfactants (e.g., PPG-2 hydroxyethyl cocamide), alcohol ethoxylate surfactants (e.g., C12-16 alcohol EO 7:1), fatty acid amide surfactants (e.g., cocamide MEA), and polyoxy ethers of alcohols (e.g., laureth-10), and condensation products of aliphatic (C8-C18) primary or secondary linear branched chain alcohols with alkylene oxides or phenols with alkylene oxides, ethylene oxides and having from 6-to 30 ethylene oxide groups, fatty acid alkanolamides including those having 10-18 carbons, such as for example, coconut fatty acid monoethanolamide and coco mono-isopropanolamide. 
     
     
         17 . The personal care composition of  claim 1 , wherein the anionic surfactant is present in the composition in an amount of from about 1% to about 15%, for example from about 2% to about 12%, for example from about 6% to about 10%, for example from about 7% to about 10%, for example from about 8% to about 9%, by weight of the composition. 
     
     
         18 . (canceled) 
     
     
         19 . The personal care composition of  claim 15 , wherein the zwitterionic surfactant comprises one or both of cocamidopropyl betaine and oleamidopropyl betaine. 
     
     
         20 . (canceled) 
     
     
         21 . The personal care composition of  claim 1 , wherein the surfactant system comprises at least one anionic surfactant; at least one zwitterionic surfactant; and at least one nonionic surfactant; wherein:
 the at least one anionic surfactant comprises a sulfate surfactant; for example sodium laureth sulfate;   the at least one zwitterionic surfactant comprises a quaternary ammonium carboxylate betaine, for example cocoamidopropyl betaine; and   the at least one nonionic surfactant selected from a polyether surfactant, an alcohol ethoxylate surfactant, a fatty acid amide surfactant, and a polyoxy ether of an alcohol.   
     
     
         22 . (canceled) 
     
     
         23 . The personal care composition of  claim 1 , wherein taurine is present in the composition in an amount of from about 0.1% to about 5%, for example from about 1% to about 4%, for example from about 2% to about 3%, by weight of the composition. 
     
     
         24 . The personal care composition of  claim 1 , wherein the taurine and the deposition aid are present in the composition in a weight ratio of from about 30:1 to about 45:1; or from about 35:1 to about 42:1; of from about 37:1 to about 40:1; or from about 38:1 to about 39:1. 
     
     
         25 . (canceled) 
     
     
         26 . A method for increasing the deposition of an amino acid, e.g. taurine, onto a mammalian skin surface from a personal care composition, comprising the steps of:
 formulating a personal care composition comprising taurine and a deposition agent comprising
 a PVM/MA copolymer having a M.W. of from about 30,000 to about 1,000,000, or 
 a vinylimidazolium vinyl pyrrolidone copolymer; and 
   applying the personal care composition to the skin of a mammal in need thereof.   
     
     
         27 . A method for the preparing a personal care composition comprising combining together in a personal care composition base:
 a surfactant system comprising at least one anionic surfactant, at least one zwitterionic surfactant, and at least one nonionic surfactant;   an amino acid, e.g., taurine; and   a deposition aid comprising
 a PVM/MA copolymer having a M.W. of from about 30,000 to about 1,000,000, or 
 a vinylimidazolium vinyl pyrrolidone copolymer.