Electrically-powered apparatus for treating skin by applying low level light and sonic vibrations to the skin; Electronic light therapy apparatus for the skin; Lasers for the cosmetic treatment of the face and skin; Light-based medical devices, namely, a light emitting diode (LED) device for increasing the human body's own production of collagen; Light emitting devices, namely, lamps and LED devices for treatment of a variety of skin conditions; Sensory light therapy unit; Skin care analyzers...