PROBLEM TO BE SOLVED: To provide a hair dyeing method that achieves hair dyeing in various color tones that cannot be expressed with a non-oxidative metal hair dye, inhibits the discoloration of a dye used for hair dyeing, and can maintain a color tone after hair dyeing.SOLUTION: A hair dyeing method uses a non-oxidative metal hair dye composed of a first agent comprising a color development agent that reacts with a metal ion to develop a color, and a second agent comprising metal salt and then uses a hair dye.SELECTED DRAWING: None
