Patent ID: 10182638

Abstract:
A method is provided for preparing a hair dye color mixture. The method includes: providing a control system having at least a memory, input controls, and a display; storing in the memory at least one formula, the formula including one or more colorants and/or dye blending materials, and wherein each colorant and/or blending material is separately assigned to an initial product brand; receiving input from the input controls to change a colorant and/or blending material from the initial product brand to one or more subsequent product brands, and wherein the control system recalculates components of the formula using the one or more subsequent product brands in response to receiving input from the input controls; and matching the color of the hair dye color mixture made from colorants and/or dye blending materials of the initial product brand using colorants and/or dye blending materials of the one or more subsequent product brands, in response to the input.