| abstract |
Hair dye substance containing a combination of at least one p-aminophenol derivative selected from 4-amino-2-methylphenol, 4-amino-3-methylphenol, 5-amino-2-hydroxymethyl-phenol, 4-amino-2-aminomethyl-phenol and 4-amino-2-((2'-hydroxethyl)aminomethyl)-phenol; at least one p-phenylenediamine derivative selected from 2(2',5'-diaminophenyl)ethanol, 2-hydroxymethyl-p-phenylene diamine, 2-propyl-p-phenylene diamine, 2-isopropyl-p-phenylene diamine and N-N -bis(2'-hydroxyethyl) - p-phenylene diamine; at least one m-aminophenol derivative selected from 5-amino-2-methylphenol, 5-((2'-hydroxyethyl)amino)-2-methylphenol and 5-((3'-hydroxypropyl)amino)-2-methylphenol; and at least one 2-amino-6-chloro-nitrophenol derivative selected from 2-amino-6-chloro-4-nitrophenol, 6-chloro-2-ethylamino-4-nitrophenol and 6-chloro-2-((2'-hydroxethyl)amino)-4-nitrophenol. The invention also relates to a hair dyeing agent based on the hair dye substance, and a method for dyeing hair using said dyeing agent. |