Electrically-powered apparatus for treating skin by applying low level light and sonic vibrations to the skin; Electronic aesthetic skin treatment devices using light emitting diodes, namely, infrared, red, orange, yellow, green, and blue wavelengths for generating light rays; Electronic light therapy apparatus for the skin; Laser therapy helmets for treating alopecia; Light-based medical devices, namely, a light emitting diode (LED) device for increasing the human body's own production of co...