The disclosure relates to a method for gradually coloring hair comprising the steps of: a) applying an air oxidation haircolor composition to hair； b) removing the air oxidation haircolor composition from the hair directly after application； and c) repeating a set comprising the steps a) and b) in multiple spaced intervals. The air oxidation haircolor composition can include: 1) at least one primary oxidation dye intermediate； 2) at least one aromatic triol； and 3) water.
