Personal Care Compositions With Two Benefit Phases

Abstract

Methods of enhancing deposition of a high viscosity benefit agent can include manufacturing a personal care composition comprising the high viscosity benefit agent and a low viscosity benefit agent by adding the high viscosity benefit agent and the low viscosity benefit agent separately to a cleansing phase.

What is claimed is: 
     
         1 . A method for enhancing deposition of a high viscosity benefit agent in a personal care composition, comprising a cleansing phase; a high viscosity benefit agent; and a low viscosity benefit agent; comprising adding the high viscosity benefit agent and the low viscosity benefit agent separately to the cleansing phase of the personal care composition. 
     
     
         2 . The method of  claim 1 , wherein the low and high viscosity benefit agents occupy separate physical domains of the personal care composition. 
     
     
         3 . The method of  claim 2 , wherein the cleansing phase is structured and comprises from about 5% to about 20%, by weight of the personal care composition, of an anionic surfactant; and an amphoteric surfactant, a zwitterionic surfactant, or a combination thereof. 
     
     
         4 . A method for enhancing deposition of a high viscosity benefit agent in a personal care composition, comprising a high viscosity benefit agent and a low viscosity benefit agent comprising, formulating a personal care composition with a cleansing phase; a first benefit phase having an average particle size of about 50 μm to about 500 μm and comprising a high viscosity benefit agent; and a second benefit phase having an average particle size of about 0.5 μm to about 10 μm and comprising a low viscosity benefit agent. 
     
     
         5 . The method of  claim 4 , wherein the low and high viscosity benefit agents occupy separate physical domains of the personal care composition. 
     
     
         6 . The method of  claim 5 , wherein the cleansing phase is structured and comprises from about 5% to about 20%, by weight of the personal care composition, of an anionic surfactant; and an amphoteric surfactant, a zwitterionic surfactant, or a combination thereof. 
     
     
         7 . The method of  claim 6 , wherein the cleansing phase is structured. 
     
     
         8 . The method of  claim 6 , wherein the cleansing phase further comprises a structuring system comprising from about 0.001% to about 5%, by weight of the personal care composition, of an associative polymer; and from about 0.01% to about 5%, by weight of the personal care composition, of a non-associative polymer. 
     
     
         9 . A method for enhancing deposition of a high viscosity benefit agent in a personal care composition, comprising a cleansing phase, a high viscosity benefit agent, and a low viscosity benefit agent, comprising formulating the personal care composition so that the high viscosity benefit agent and low viscosity benefit agent are in separate physical domains within the personal care composition. 
     
     
         10 . The method of  claim 9 , wherein the high viscosity benefit agent and the low viscosity benefit agent are added separately to the cleansing phase. 
     
     
         11 . The method of  claim 10 , wherein the high viscosity benefit agent is in a first benefit phase comprising an average particle size of about 50 μm to about 500 μm; and the low viscosity benefit agent is in a second benefit phase comprising an average particle size of about 0.5 μm to about 10 μm. 
     
     
         12 . The method of  claim 11 , wherein the cleansing phase is structured and comprises:
 i) from about 5% to about 20%, by weight of the personal care composition, of an anionic surfactant;   ii) an amphoteric surfactant, a zwitterionic surfactant, or a combination thereof.   
     
     
         13 . The method of  claim 12 , wherein the personal care composition comprises from about 0.1% to about 20%, by the weight of the personal care composition, of the high viscosity benefit agent; and from about 0.1% to about 20%, by the weight of the personal care composition, of the low viscosity benefit agent. 
     
     
         14 . The method of  claim 13 , wherein the cleansing phase further comprises a structuring system comprising from about 0.001% to about 5%, by weight of the personal care composition, of an associative polymer and from about 0.01% to about 5.0%, by weight of the personal care composition, of a non-associative polymer. 
     
     
         15 . The method of  claim 14 , wherein the associative polymer comprises a polyacrylate, a hydrophobically-modified polysaccharide, a hydrophobically-modified urethane, or a mixture thereof. 
     
     
         16 . The method of  claim 15 , wherein the associative polymer comprises an acrylate/C 10 -C 30  alkyl acrylate cross-polymer. 
     
     
         17 . The method of  claim 16 , wherein the non-associative polymer is selected from the group consisting of polysaccharides, synthetic hydrocarbon polymers, and combinations thereof. 
     
     
         18 . The method of  claim 17 , wherein the high viscosity benefit agent is selected from the group consisting of petrolatum, microcrystalline wax/mineral oil blends, paraffin wax/mineral oil blends, wax/oil blends, glyceryl oleate, and combinations thereof. 
     
     
         19 . The method of  claim 18 , wherein the low viscosity benefit agent is selected from the group consisting of soy bean oil, sunflower seed oil, or a combination thereof. 
     
     
         20 . The method of  claim 19 , wherein the first benefit phase is free of surfactant.