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METHOD FOR PROTECTING COLOUR AGAINST THE WASHING OF ARTIFICIALLY-DYED KERATIN FIBRES, COMPRISING THE APPLICATION OF AN AROMATIC POLYCARBOXYLIC ACID AND HEAT, AND DYING METHODS
METHOD FOR PROTECTING COLOUR AGAINST THE WASHING OF ARTIFICIALLY-DYED KERATIN FIBRES, COMPRISING THE APPLICATION OF AN AROMATIC POLYCARBOXYLIC ACID AND HEAT, AND DYING METHODS
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机译:包含芳香族羧酸和热的应用的人造色素角蛋白纤维洗色的保护方法及染色方法
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摘要
The invention relates to a method for protecting colours against the washing of artificially-dyed keratin fibres, in particular human keratin fibres, and more particularly hair, characterised in that the method comprises applying, before or after dying (I), a composition containing one or more aromatic polycarboxylic acids in a cosmetically acceptable medium onto said fibres, wherein the method comprises heating the keratin fibres during or after the application of the composition containing the aromatic polycarboxylic acid(s). The invention also relates to a method for dying keratin fibres, in particular human keratin fibres, and more particularly hair, said method comprising applying a direct dying composition (A) or an oxidation dying composition (A) onto said fibres in the presence of an oxidiser for a duration that is sufficient for developing the colour, and applying before or after said application, a composition (B) containing one or more aromatic polycarboxylic acids in a cosmetically acceptable medium, wherein said method comprises the step of heating the keratin fibres during or after the application of the composition containing the aromatic polycarboxylic acid(s).
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