Delivery of surfactant soluble anti-dandruff agent

Abstract

A hair care composition directed to from about 14% to about 40% of one or more surfactants; from about 0.1% to 10% of one or more surfactant soluble antidandruff agents; wherein when the hair care composition is diluted to 1.3% surfactant concentration has a ratio of surfactant diffusion coefficient to soluble agent diffusion coefficient less than 0.6 or greater than 1.4.

What is claimed is: 
     
         1 . A hair care composition comprising:
 a) from about 14% to about 40% of one or more surfactants wherein one or more of the surfactants is an anionic surfactant or combinations of anionic surfactants wherein at least one of the surfactants has an alkyl chain of less than C12 or a branched alkyl chain and wherein a ratio of surfactants which are not anionic to surfactants that are anionic is less than or equal to about 0.2;   b) from about 0.1% to 10% of one or more surfactant soluble antidandruff agents;   wherein when the hair care composition is diluted with de-ionized water to 1.3% surfactant concentration has a ratio of surfactant diffusion coefficient to soluble agent diffusion coefficient of from 1.4 to 2.5 as measured by nuclear magnetic resonance spectroscopy (NMR).   
     
     
         2 . A hair care composition according to  claim 1  further comprising an anionic surfactant selected from the group consisting of anionic alkyl sulfates and alkyl ether sulfates having straight or branched alkyl chains and mixtures thereof. 
     
     
         3 . A hair care composition according to  claim 1  further comprising an anionic surfactant selected from the group consisting of:
 a) R 1 O(CH 2 CHR 3 O) y SO 3 M; 
 b) CH 3 (CH 2 ) z CHR 2 CH 2 O(CH 2 CHR 3 O) y SO 3 M; and 
 c) mixtures thereof, 
 where R 1  represents CH 3 (CH 2 ) 10 , R 2  represents H or a hydrocarbon radical comprising 1 to 4 carbon atoms such that the sum of the carbon atoms in z and R 2  is 8, R 3  is H or CH 3 , y is 0 to 7, the average value of y is about 1 when y is not zero (0), and M is a monovalent or divalent, positively-charged cation. 
 
     
     
         4 . A hair care composition according to  claim 1  further comprising a surfactant or combination of surfactants selected from the group consisting of sodium lauryl sulfate, sodium laureth-n sulfate where n is between about 0.5 to about 3.5, sodium C10-15 alkyl sulfate where the alkyl chain can be linear or branched, sodium C10-15 pareth-n sulfate where n is between about 0.5 to about 3.5 and the alkyl chain can be linear or branched, sodium tridecyl sulfate, sodium trideceth-n sulfate where n is between about 0.5 to about 3.5, an anionic surfactant selected from the group consisting of:
 a) R1O(CH2CHR3O)ySO3M; 
 b) CH3(CH2)zCHR2CH2O(CH2CHR3O)ySO3M; and 
 c) mixtures thereof, 
 where R1 represents CH3(CH2)10, R2 represents H or a hydrocarbon radical comprising 1 to 4 carbon atoms such that the sum of the carbon atoms in z and R2 is 8, R3 is H or CH3, y is 0 to 7, the average value of y is about 1 when y is not zero (0), and M is a monovalent or divalent, positively-charged cation. 
 
     
     
         5 . A hair care composition according to  claim 1  further comprising a surfactant selected from the group consisting of amphoteric, nonionic and zwitterionic surfactants and mixtures thereof. 
     
     
         6 . A hair care composition according to  claim 1  wherein the surfactant soluble agent is a hydroxyl pyridone. 
     
     
         7 . A hair care composition according to  claim 6  wherein the hydroxyl pyridone is piroctone olamine. 
     
     
         8 . A hair care composition according to  claim 1  wherein the surfactant soluble agent is an azole. 
     
     
         9 . A hair care composition according to  claim 8  wherein the azole is climbazole. 
     
     
         10 . A hair care composition according to  claim 1  wherein the composition further comprising a cationic polymer. 
     
     
         11 . A hair care composition according to  claim 1  wherein the composition further comprising a conditioning agent. 
     
     
         12 . A hair care composition according to  claim 11  wherein the conditioning agent is a silicone. 
     
     
         13 . A hair care composition according to  claim 1  further comprising one or more scalp health agent. 
     
     
         14 . A hair care composition according to  claim 13  wherein the scalp health agent is zinc pyrithione. 
     
     
         15 . A hair care composition according to  claim 13  wherein the scalp health agent is salicylic acid. 
     
     
         16 . A hair care composition according to  claim 13  wherein the scalp health agent is menthol and/or menthyl lactate. 
     
     
         17 . A hair care composition according to  claim 1  further comprising from about 1% to about 7% of a perfume. 
     
     
         18 . A hair care composition according to  claim 1  wherein the hair care composition is dispensed as a foam. 
     
     
         19 . A hair care composition according to  claim 18  wherein the hair care composition is dispensed as an aerosol foam. 
     
     
         20 . A hair care composition according to  claim 19  wherein a propellant or a blowing agent to dispense the composition as an aerosol foam is a chemically inert hydrocarbon, a halogenated hydrocarbon, and mixtures thereof. 
     
     
         21 . A hair care composition according to  claim 18  wherein the hair care composition is dispensed as a pumped foam. 
     
     
         22 . A hair care composition according to  claim 1  wherein the hair care composition is applied using an applicator.