Abstract: A portable hair printer includes a communication module, a printer module that performs a printing operation, a memory that stores a program for printing an image on a surface of a bundle of hairs, and a processor that executes the program, wherein the program is executed by the processor, receives an image to be dyed on the bundle of hairs from the user terminal through the communication module, and transmits the received image to the printer module to perform an image printing operation for the bundle of hairs, and the portable hair printer further comprises a housing having the communication module, the printer module, the memory, and the processor embedded therein, and the housing includes an upper housing and a lower housing hinged to each other around a hinge, and a sensor module.

Abstract: According to one aspect of the present disclosure, provided is a film for hair dyeing comprising: a base film; and an ink layer for hair dyeing on the base film, wherein the ink layer for hair dyeing comprises a first pigment for masking hair color, a second pigment for expressing desired color on hair, a resin, and wax. According to one aspect of the present disclosure, provided is a printer for hair dyeing comprising: a body including a printer head; and a film cartridge for hair dyeing mounted to the body over the printer head; wherein the printer head may be in contact with a film included in the film cartridge for hair dyeing and comprises a hair holder of which one end is connected to one end of the body so as to be folded and unfolded with respect to the body. The hair may be grabbed between the body and the hair holder, and the printer head may be positioned on a side facing the hair holder.

Abstract: A skin printer includes a printer housing including a receiving part to receive a plurality of cartridges having a nozzle to discharge a printing solution including at least one of an ink, a coating agent, a fragrant material, and a fluorescent substance or a combination of the ink, the coating agent, the fragrant material, and the fluorescent substance, and a plurality of discharge holes to discharge the printing solution from nozzles of the plurality of cartridges received in the receiving part, a main roller rollably provided in the printer housing to guide movement of the printer housing along a skin, and at least one spacing roller interposed between the discharge holes paired to be adjacent to each other to space the printer housing to the skin, and to roll along the skin together with the main roller.