Patent attributes
A method is provided for preparing a hair dye color mixture. The method includes: accessing a control system having at least a processor, a memory, and user input controls, the memory configured to store ingredients of a hair dye color mixture, each ingredient of the hair dye color mixture being from an initial product brand; receiving user input from the user input controls to change one or more ingredients of the hair dye color mixture from the initial product brand to one or more subsequent product brands; matching the color of the hair dye color mixture made from one or more ingredients of the initial product brand using one or more ingredients of the one or more subsequent product brands, in response to the user input; and displaying the ingredients of the hair dye color mixture in the one or more subsequent product brands on a display.
