A light irradiation hair removal device comprising: a first light source configured to emit first light having a wavelength from 400 nm to 1200 nm inclusive; a second light source configured to emit second light having a wavelength from 400 nm to 1200 nm inclusive; a skin cooling unit that faces the first light source and the second light source, configured to transmit the first light emitted from the first light source and the second light emitted from the second light source, and to cool a skin when the skin cooling unit comes into contact with the skin; a push switch that includes a pressing unit surrounding a periphery of the first light source, the second light source, and the skin cooling unit; wherein when the pressing unit is not being pressed, the pressing unit protrudes toward a direction opposite to the first light source and the second light source against the skin cooling unit from a surface of the skin cooling unit in contact with the skin; when the pressing unit is pressed by the skin, a surface of which pressed by the skin moves toward the direction of the first light source and the second light source against the skin cooling unit; and the push switch is configured to switch between emission and non-emission of the first light from the first light source and the second light from the second light source such that the first light is emitted from the first light source and the second light is emitted from the second light source during at least a part of time while the pressing unit is pressed, and the first light is not emitted from the first light source and the second light is not emitted from the second light source while the pressing unit is not pressed; a first cooling unit configured to cool the first light source; and a second cooling unit configured to cool the second light source, wherein the first cooling unit is configured to shift the wavelength of the first light emitted from the first light source to a wavelength different from the wavelength of the second light emitted from the second light source by cooling the first light source. a first light source configured to emit first light having a wavelength from 400 nm to 1200 nm inclusive; a second light source configured to emit second light having a wavelength from 400 nm to 1200 nm inclusive; a skin cooling unit that faces the first light source and the second light source, configured to transmit the first light emitted from the first light source and the second light emitted from the second light source, and to cool a skin when the skin cooling unit comes into contact with the skin; a push switch that includes a pressing unit surrounding a periphery of the first light source, the second light source, and the skin cooling unit; when the pressing unit is not being pressed, the pressing unit protrudes toward a direction opposite to the first light source and the second light source against the skin cooling unit from a surface of the skin cooling unit in contact with the skin; when the pressing unit is pressed by the skin, a surface of which pressed by the skin moves toward the direction of the first light source and the second light source against the skin cooling unit; and the push switch is configured to switch between emission and non-emission of the first light from the first light source and the second light from the second light source such that the first light is emitted from the first light source and the second light is emitted from the second light source during at least a part of time while the pressing unit is pressed, and the first light is not emitted from the first light source and the second light is not emitted from the second light source while the pressing unit is not pressed; a first cooling unit configured to cool the first light source; and a second cooling unit configured to cool the second light source, wherein the first cooling unit is configured to shift the wavelength of the first light emitted from the first light source to a wavelength different from the wavelength of the second light emitted from the second light source by cooling the first light source.