Oxidation dye for keratin fibers giving fast, intense orange-brown colors

摘要

An oxidation dyeing agent for keratin fibers, especially human hair, contains, in addition to oxidation dye precursors, a 2-amino-3-hydroxy-5-halo-pyridine or one of its salts. An oxidation dyeing agent for keratin fibers, especially human hair, contains, in addition to oxidation dye precursors, a 2-amino-3-hydroxy-5-halo-pyridine of formula (I) or one of its salts R1 and R2 = H, Me or Et; and X = halogen.