Light emitting devices, namely, lamps and LED devices for treatment of a variety of skin conditions; Apparatus using a light emitting diode (LED) for performing aesthetic facial treatment procedures; Light-based medical devices, namely, a light emitting diode (LED) device for increasing the human body's own production of collagen; Phototherapeutic apparatus for medical purposes, namely, a LED (light-emitting diode) light source for medical and aesthetic skin treatments