Hair cosmetic composition

Abstract

Provided is a hair cosmetic composition containing (A) an amphipathic amide lipid, (B) a cationic surfactant or a tertiary amine type compound represented by the following formula (N): wherein, A represents a hydrogen atom or a linear or branched, saturated or unsaturated amide, (N-hydrocarbon)carbamoyl, acyloxy or hydrocarbonoxy group each having 12 to 24 carbon atoms in total, B represents a linear or branched, saturated or unsaturated C 1-22 hydrocarbon group, and Z 1 and Z 2 each represents a C 1-4 alkyl group; or a salt of the compound, and (C) a silicone; and having a pH at 25° C. of from 1 to 4.5 when diluted with water to 20 times the weight of the composition. The hair cosmetic composition of the present invention can protect hair from physical and chemical stimulation, thereby preventing split ends or broken hair, and impart hair with good feeling to the touch, for example, moist feeling, smoothness and suppleness which healthy hair inherently possesses, and has excellent storage stability.

What is claimed is:  
     
         1 . A hair cosmetic composition comprising the following components (A) to (C): 
 (A): an amphipathic amide lipid,    (B): a cationic surfactant or a tertiary amine type compound represented by the following formula (N):                          wherein, A represents a hydrogen atom or a linear or branched, saturated or unsaturated amide, (N-hydrocarbon)carbamoyl, acyloxy or hydrocarbonoxy group each having 12 to 24 carbon atoms in total, B represents a linear or branched, saturated or unsaturated divalent C 1 l 22  hydrocarbon group, and Z 1  and Z 2  each independently represents a C 1-4  alkyl group; or a salt of the compound, and    (C): a silicone; wherein the composition has a pH of from 1 to 4.5 at 25° C. when diluted with water to 20 times the weight of the composition.    
     
     
         2 . The hair cosmetic composition of  claim 1 , wherein Component (A) is an amphipathic amide lipid selected from compounds selected from the group consisting of and represented by the following formulas (1) to (4), including mixtures thereof:  
       
         
           
           
               
               
           
         
       
       wherein, R 1  represents a linear or branched C 1-12  hydrocarbon group which may be substituted with hydroxy and/or alkoxy group(s), R 2  represents a linear or branched divalent C 1-5  hydrocarbon group, and R 3  represents a linear or branched divalent C 1-22  hydrocarbon group,  
       
         
           
           
               
               
           
         
       
       wherein, R 4  represents a linear, branched or cyclic, saturated or unsaturated C 4-30  hydrocarbon group which may be substituted with a hydroxy, oxo or amino group(s), Z represents a methylene group, a methine group or an oxygen atom, a broken line represents the presence or absence of a n bond, X 1  represents a hydrogen atom, acetyl group or glyceryl group, or, together with the adjacent oxygen atom, forms an oxo group, X 2 , X 3  and X 4  each independently represents a hydrogen atom, a hydroxy group or an acetoxy group (with the proviso that when Z represents a methine group, one of X 2  and X 3  represents a hydrogen atom and the other does not exist, and when —O—X 1  represents an oxo group, X 4  does not exist), R 5  and R 6  each independently represents a hydrogen atom, a hydroxy group or a hydroxymethyl group, R7 represents a linear, branched or cyclic, saturated C 5-35  hydrocarbon group which may be substituted with hydroxy or amino group(s), or the saturated C 5-35  hydrocarbon group in which a linear, branched or cyclic, saturated or unsaturated C 8-22  fatty acid which may be substituted with a hydroxy group is ester-bonded at the imposition of the hydrocarbon group, and R 8  represents a hydrogen atom or a linear or branched, saturated or unsaturated hydrocarbon group which may have substituent(s) selected from a hydroxy group, hydroxyalkoxy groups, alkoxy groups and an acetoxy group and has 1 to 8 carbon atoms in total,  
       
         
           
           
               
               
           
         
       
       wherein, R 9  represents a C 10-18  alkyl group which may be substituted with hydroxy group(s), and  
       
         
           
           
               
               
           
         
       
       wherein, R 10  represents a linear or branched, saturated or unsaturated C 9-31  alkyl group which may be substituted with hydroxy group(s), or a 2-dodecen-1-yl succinic acid residue, m stands for an integer of from 1 to 3, R 11  and R 12  each represents a hydrogen atom or a C 1-4  alkyl or hydroxyalkyl group, Y represents a linear or branched, saturated or unsaturated C 10-32  alkyl group which may be substituted with hydroxy group(s), or a substituent represented by the following formula:  
       
         
           
           
               
               
           
         
       
       in which, k, i and n each stands for an integer of from 1 to 3, j stands for 0 or 1, and R 13  represents a linear or branched, saturated or unsaturated C 9-31  alkyl group which may be substituted with hydroxy group(s).  
     
     
         3 . The hair cosmetic composition of  claim 1 , wherein the silicone is selected from the group consisting of dimethylpolysiloxane, polyether-modified silicones,amino-modified silicones, and mixtures thereof.  
     
     
         4 . The hair cosmetic composition of  claim 2  wherein the silicone is selected from the group consistsing of dimethylpolysiloxane, polyether-modified silicones, amino-modified silicones, and mixtures thereof.  
     
     
         5 . The hair cosmetic composition of  claim 1 , comprising from 0.001 to 20 wt. % of Component (A).  
     
     
         6 . The hair cosmetic composition of  claim 1 , wherein the cationic surfactant is selected from the group consisting of lauryl trimethylammonium chloride, cetyl trimethylammonium chloride, cetyl trimethylammonium bromide, stearyl trimethylammonium chloride, stearyl trimethylammonium bromide, lauryl trimethylammonium bromide, dialkyl dimethylammonium chlorides, dicetyl dimethylammonium chloride, distearyl dimethylammonium chloride, dicocoyl dimethylammonium chloride, myristyl dimethylbenzylammonium chloride, stearyl dimethylbenzylammonium chloride, lanolin fatty acid aminopropylethyldimethylammonium ethylsulfate, lanolin fatty acid aminoethyltriethylammonium ethylsulfate, lanolin fatty acid aminoethyldiethylmethylmmonium ethylsulfate, lanolin fatty acid aminoethyltrimethylammonium ethylsulfate, lanolin fatty acid aminopropyltriethylammonium ethylsulfate, lanolin fatty acid aminoethyltrimethylammonium methylsulfate, lanolin fatty acid aminopropylethyldimethylammonium methylsulfate, isoalkanoic acid (C14 to C20) aminopropylethyldimethylammonium ethylsulfates, isoalkanoic acid (C18 to C22) aminopropylethyldimethylammonium ethylsulfates, isostearic acid aminopropylethyldimethylammonium ethylsulfate, isononanoic acid aminopropylethyldimethylammonium ethylsulfate, alkyltrimethylammonium saccharines, and mixtures thereof.  
     
     
         7 . The hair cosmetic composition of  claim 1 , wherein the tertiary amine type compound is selected from the group consisting of N,N-dimethyloctadecyloxypropylamine, stearamidopropyldimethylamine, and mixtures thereof.  
     
     
         8 . The hair cosmetic composition of  claim 1  further comprising a surfactant selected from the group consisting of an amphoteric surfactant, nonionic surfactant, and mixtures thereof.  
     
     
         9 . The hair cosmetic composition of  claim 1 , wherein the silicone has an average particle size of from 0.001 to 200 μm.  
     
     
         10 . The hair cosmetic composition of  claim 1 , comprising from 0.001 to 20 wt. % of Component (A), from 0.1 to 20 wt. % of Component (B) and from 0.005 to 10 wt. % of Component (C).