Composition for dyeing keratin fibres with a cationic direct dye and a thickening polymer
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United States of America Patent
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Jan 26, 2006
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Jul 9, 1998
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Abstract
The invention relates to a composition for dyeing fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising:--nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,--anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,--cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.
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