This invention is directed to an LED based, skin treatment device designed to physically or wirelessly attach to and be run by an application from a smart device, such as a smart phone or tablet. The treatment device includes a light-emitting diode (LED) array of one or more specific wavelengths within the ultraviolet-visible light range of the electromagnetic spectrum. The treatment device may attaches to the working port of a smartphone and powered and controlled by an application or may alternatively be run by the same application via a wireless connection.
