Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Low frequency electromagnetic therapy apparatus; Massage apparatus; Electronic light therapy apparatus for the skin; Intra-oral dental light system; Lasers for medical use; Phototherapeutic apparatus for medical purposes, namely, a LED (light-emitting diode) light source for medical and aesthetic skin treatments