Hair conditioning cosmetic compositions containing a mixture of amidoamines

Abstract

Compositions are provided and described herein which include cosmetic and hair conditioning compositions having a mixture of stearamidopropyl dimethylamine and behenamidopropyl dimethylamine. Also provided are methods for conditioning hair using such mixtures.

1 . A composition, comprising
 a mixture of stearamidopropyl dimethylamine and behenamidopropyl dimethylamine, wherein a weight ratio of stearamidopropyl dimethylamine to behenamidopropyl dimethylamine is about 0.60:1.00 to about 0.85:1.00.   
   
   
       2 . The composition according to  claim 1 , wherein the stearamidopropyl dimethylamine and the behenamidopropyl dimethylamine are reaction products of hydrogenated high erucic acid rapeseed oil with dimethylaminopropylamine. 
   
   
       3 . The composition according to  claim 2 , wherein the high erucic acid rapeseed oil comprises an oil derived from a botanical selected from the group consisting of  B. napobrassica, B. napus, B. rapa, B. campestris, B. juncea, Sinapsis alba  and combinations and derivatives thereof. 
   
   
       4 . The composition according to  claim 2 , wherein the high erucic acid rapeseed oil has been hydrogenated and has an iodine value of about 20.0 cg I 2 /g or less. 
   
   
       5 . The composition according to  claim 4 , wherein the high erucic acid rapeseed oil has an iodine value of about 5.0 cg I 2 /g or less. 
   
   
       6 . The composition according to  claim 5 , wherein the high erucic acid rapeseed oil has an iodine value of about 1.0 cg I 2 /g or less. 
   
   
       7 . The composition according to  claim 1 , wherein the stearamidopropyl dimethylamine is a reaction product of stearic acid with dimethylaminopropylamine. 
   
   
       8 . The composition according to  claim 7 , wherein the stearic acid is obtained from natural and/or synthetic sources. 
   
   
       9 . The composition according to  claim 1 , wherein the behenamidopropyl dimethylamine is a reaction product of behenic acid with dimethylaminopropylamine. 
   
   
       10 . The composition according to  claim 9 , wherein the behenic acid is obtained from natural and/or synthetic sources. 
   
   
       11 . The composition according to  claim 1 , wherein the composition is a cosmetic composition. 
   
   
       12 . The composition according to  claim 1 , wherein the composition is a hair conditioner. 
   
   
       13 . A composition, comprising
 a mixture of stearamidopropyl dimethylamine and behenamidopropyl dimethylamine, wherein the stearamidopropyl dimethylamine and the behenamidopropyl dimethylamine are reaction products of hydrogenated high erucic acid rapeseed oil with dimethylaminopropylamine.   
   
   
       14 . The composition according to  claim 13 , wherein the high erucic acid rapeseed oil comprises an oil derived from a botanical selected from the group consisting of  B. napobrassica, B. napus, B. rapa, B. campestris, B. juncea, Sinapsis alba  and combinations and derivatives thereof. 
   
   
       15 . The composition according to  claim 14 , wherein the high erucic acid rapeseed oil has been hydrogenated and has an iodine value of about 20.0 cg I 2 /g or less. 
   
   
       16 . The composition according to  claim 15 , wherein the high erucic acid rapeseed oil has an iodine value of about 1.0 cg I 2 /g or less. 
   
   
       17 . The composition according to  claim 13 , wherein a weight ratio of stearamidopropyl dimethylamine to behenamidopropyl dimethylamine is about 0.60:1.00 to about 0.85:1.00 
   
   
       18 . A hair conditioning composition, comprising a mixture of stearamidopropyl dimethylamine and behenamidopropyl dimethylamine, wherein a weight ratio of stearamidopropyl dimethylamine to behenamidopropyl dimethylamine is about 0.60:1.00 to about 0.85:1.00. 
   
   
       19 . The hair conditioning composition according to  claim 18 , wherein the composition comprises about 0.1% to about 10% by weight of the mixture. 
   
   
       20 . The hair conditioning composition according to  claim 18 , wherein the stearamidopropyl dimethylamine and the behenamidopropyl dimethylamine are reaction products of hydrogenated high erucic acid rapeseed oil with dimethylaminopropylamine. 
   
   
       21 . A method of conditioning hair, comprising
 applying a composition topically to the hair, wherein the composition comprises a mixture of stearamidopropyl dimethylamine and behenamidopropyl dimethylamine present in a ratio of stearamidopropyl dimethylamine to behenamidopropyl dimethylamine is about 0.60:1.00 to about 0.85:1.00.   
   
   
       22 . The method according to  claim 21 , wherein the composition comprises about 0.1% to about 10% by weight of the mixture. 
   
   
       23 . The method according to  claim 21 , wherein the stearamidopropyl dimethylamine and the behenamidopropyl dimethylamine are reaction products of hydrogenated high erucic acid rapeseed oil with dimethylaminopropylamine.