This invention relates to a device for performing dyeing operation such as bleaching, coloring, and coating using an electric power with a dye container attached. Main components of the invention are comprised of a body, a comb assembly, a pump and a piping member. The body composed of handle and head is equipped with a motor, battery and switch. The comb assembly composed of a plurality of teeth having respective conduits is rotatably fixed to the body. The pump is connected to the motor so as to feed the dye from the container attached to the body to the respective comb of the comb assembly with an enforced and uniform flow. The piping member is disposed at a flow path between the pump and the comb assembly so as to maintain a uniform flow of dye through the conduits of the comb assembly.