An aesthetic treatment device and method for treating the skin of a patient, the device comprising at least one of a plurality of arc lamps, each arc lamp provided with a reflector for obtaining a substantially collimated beam a pulse generator for generating a train of pulses of electrical energy for energizing said at least one of a plurality of arc lamps a control unit for controlling pulse shape, amplitude, width, frequency and timing, for obtaining controllable spectral output and energy of the collimated beam through an application end of the device to a designated area of skin of the patient. The device can further comprise secondary light sources with different spectrum characteristics than the arc lamp as well as various attachments including a position feedback, material dispenser, skin cooler, and docking station for optical fiber.
