Die vorliegende Anmeldung betrifft Mittel zum Färben und gegebenenfalls gleichzeitigem Aufhellen von keratinischen Fasern, insbesondere menschlichen Haaren, wobei das Mittel in einem kosmetischen Träger mindestens eine Verbindung der Formel (I),enthält.Agent comprises at least one 6-hydroxy-5-phenylazo-1H-pyridin-2-one compound (I) in a cosmetic carrier. Agent comprises at least one 6-hydroxy-5-phenylazo-1H-pyridin-2-one compound of formula (I) in a cosmetic carrier. R 1>H, 1-6C-alkyl, 2-6C-alkenyl, 1-6C-hydroxyalkyl, 2-6C-polyhydroxyalkyl, 1-6C-alkoxy-2-6C-alkyl, cyano-1-6C-alkyl, CN or a carboxylic acid R 2>H, 1-6C-alkyl, 2-6C-alkenyl, 2-6C-hydroxyalkyl, 2-6C-polyhydroxyalkyl, 1-6C-alkoxy-2-6C-alkyl, cyano-1-6C-alkyl or aryl-1-6C-alkyl R 3>-R 5>H, amino, 1-6C-alkylamino, di-1-6C-alkylamino, OH, 1-6C-alkoxy, 1-6C-alkyl, 2-6C-alkenyl, carboxylic acid, sulfonic acid, nitro, halo, acetylamino or sulfonamide, provided that at least one of R 3>-R 5>is carboxylic acid, sulfonic acid, acetylamino or sulfonamide Y 1>N +>(R 9>)(R 10>)(R 11>)-, pyridinium group of formula (a), 3H-imidazol-1-ium group of formula (b), pyridazin-1-ium group of formula (c), pyrimidin-1-ium group of formula (d) or pyrazin-1-ium group of formula (e) either R 6>, R 7>H, 1-6C-alkyl, OH, amino, carboxylic acid, sulfonic acid, 1-6C-alkoxy and/or halo or R 6>R 7>an optionally saturated 5- or 6-membered ring (optionally containing heteroatoms of O, N or S) R 8>1-6C-alkyl, 2-6C-alkenyl, 2-6C-hydroxyalkyl, 1-6C-alkoxy-2-6C-alkyl, cyano-1-6C-alkyl or aryl-1-6C-alkyl R 9>-R 11>1-6C-alkyl, 2-6C-alkenyl, 2-6C-hydroxyalkyl, 1-6C-alkoxy-2-6C-alkyl, cyano-1-6C-alkyl or aryl-1-6C-alkyl, where two of R 9>-R 11>combines together to form a saturated 5- or 6-membered ring optionally containing heteroatoms of O, N or S and X ->anion. [Image] [Image].
