AGENT AND PROCESS FOR DYEING AND TINTING KERATINOUS FIBRES

Formulations for coloring keratinous fibers are provided, comprising a substantive dye, an aminopolycarboxylic acid or salt thereof with a physiologically compatible cation, and isoascorbic acid or a salt thereof with a physiologically compatible cation. Also provided are methods of coloring keratin...

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Bibliographische Detailangaben
Hauptverfasser: HURSCHMANN, BRIGITTA, HOLLENBERG, DETLEF
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Formulations for coloring keratinous fibers are provided, comprising a substantive dye, an aminopolycarboxylic acid or salt thereof with a physiologically compatible cation, and isoascorbic acid or a salt thereof with a physiologically compatible cation. Also provided are methods of coloring keratinous fibers with the formulations.