Cleansing compositions

Abstract

Disclosed are cleansing compositions comprising one or more surfactants selected from the group consisting of: i) anionic surfactants, ii) amphoteric surfactants, iii) nonionic surfactants, iv) cationic surfactants and v) mixtures thereof, where the dynamic viscosity of the compositions at 25° C. is at least about 100,000 centipoise and where the cleansing composition results in no or minimal eye sting. Also disclosed disposable articles comprising water insoluble substrates releasably containing the cleansing compositions, a process for making the disposable articles and a method of use.

1 . A cleansing composition comprising one or more surfactants selected from the group consisting of: 
 i) anionic surfactants,    ii) amphoteric surfactants,    iii) nonionic surfactants,    iv) cationic surfactants, and    v) mixtures thereof;    and wherein the dynamic viscosity of the cleansing composition in paste form is at least about 100,000 centipoise and wherein the cleansing composition results in no or minimal eye sting.    
     
     
         2 . The composition of  claim 1  wherein the cleansing composition has a first dynamic viscosity at 25° C. 
 and a second dynamic viscosity over a temperature range of 60° C. to 125° C., said first and second dynamic viscosities having a ratio of said first dynamic viscosity to said second dynamic viscosity greater than or equal to about 1.1.    
     
     
         3 . The composition of  claim 1  wherein the cleansing composition has a first flow viscosity at 25° C. and a second flow viscosity over a temperature range of 60° C. to 125° C., said first and second flow viscosities having a ratio of said first flow viscosity to said second flow viscosity greater than or equal to about 1.1.  
     
     
         4 . The composition of  claim 1  wherein the anionic surfactant is an alkyl ether sulfate.  
     
     
         5 . The composition of  claim 4  wherein the alkyl ether sulfate is sodium laureth sulfate  
     
     
         6 . The composition of  claim 1  wherein the amphoteric surfactant is a betaine.  
     
     
         7 . The composition of  claim 6  wherein the betaine is cocoamidopropyl betaine.  
     
     
         8 . The composition of  claim 1  wherein the nonionic surfactant is PEG 200 glyceryl tallowate.  
     
     
         9 . A process for producing a substantially dry disposable personal care article suitable for cleansing, said process comprising the steps of: 
 a) providing a first water insoluble substrate layer, having an interior surface;    b) forming a paste containing surface by extruding and distributing onto said interior surface a paste comprising a cleansing composition, said composition comprising one or more surfactants selected from the group consisting of: 
 i) anionic surfactants,  
 ii) amphoteric surfactants,  
 iii) nonionic surfactants,  
 iv) cationic surfactants, and  
 v) mixtures thereof,  
 and wherein the dynamic viscosity of the cleansing composition in paste form is at least about 100,000 centipoise and wherein the cleansing composition results in no or minimal eye sting.  
   
     
     
         10 . The process according to  claim 9  further comprising the step of applying at least a second additional water insoluble substrate layer to the paste containing surface of the first water insoluble substrate layer.  
     
     
         11 . The process of  claim 9  wherein the paste is extruded and or distributed in the form of a pattern.