A beauty device includes a light irradiation section that irradiates light of a predetermined wavelength, and an ion generating section that generates an ion. The light irradiation section is placed at one side surface of a main body of the beauty device, and the ion generating section is placed at the other side surface of the main body of the beauty device. The light irradiation section includes a plurality of light source modules arranged in a predetermined array. Each light source module includes a plurality of light emitting diodes that are arranged in a predetermined array to emit light of two or more wavelengths.