Hair dye composition

Provided is a hair dye composition containing a direct dye ( 1 ). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a smaller change in the color tone of the dye after storage. 1 [B 1 , B 2 : the group ( 2 ), ( 3 ), ( 4 ) or ( 5 ); R 1 , R 2 :...

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Main Authors Miyabe, Hajime, Matsunaga, Kenichi, Ohashi, Yukihiro
Format Patent
LanguageEnglish
Published 29.11.2001
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Abstract Provided is a hair dye composition containing a direct dye ( 1 ). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a smaller change in the color tone of the dye after storage. 1 [B 1 , B 2 : the group ( 2 ), ( 3 ), ( 4 ) or ( 5 ); R 1 , R 2 : the group ( 6 ), ( 7 ), etc.; X - : anion (A: a (substituted) phenylene group, etc., R 3 , R 4 : a (substituted) lower alkyl group, etc.; X 1 : O, -NH- or CH 2 -; X 2 : a (substituted) trimethylene group, etc.; Y: a (substituted) lower alkyl group, etc.; R 5 : a lower alkyl group, etc.; R 6 : a lower alkyl group, etc.; R 7 : H, etc.; X 3 : -OH, -NH 2 - or -SH; R 8 : a lower alkoxy group, etc.; and R 9 : a phenyl group, etc.)].
AbstractList Provided is a hair dye composition containing a direct dye ( 1 ). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a smaller change in the color tone of the dye after storage. 1 [B 1 , B 2 : the group ( 2 ), ( 3 ), ( 4 ) or ( 5 ); R 1 , R 2 : the group ( 6 ), ( 7 ), etc.; X - : anion (A: a (substituted) phenylene group, etc., R 3 , R 4 : a (substituted) lower alkyl group, etc.; X 1 : O, -NH- or CH 2 -; X 2 : a (substituted) trimethylene group, etc.; Y: a (substituted) lower alkyl group, etc.; R 5 : a lower alkyl group, etc.; R 6 : a lower alkyl group, etc.; R 7 : H, etc.; X 3 : -OH, -NH 2 - or -SH; R 8 : a lower alkoxy group, etc.; and R 9 : a phenyl group, etc.)].
Author Matsunaga, Kenichi
Ohashi, Yukihiro
Miyabe, Hajime
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Snippet Provided is a hair dye composition containing a direct dye ( 1 ). This hair dye composition has markedly high hair dyeing power, has less color fade over time...
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