IPL - Intense Pulsed Light

IPL is based on multiple wavelengths technology, unlike laser which works only one wavelength. IPL can deliver hundreds or thousands of colors of light.
D-light 1 is based on the principle of the selective photothermolysis avoiding thermal injures to the hair follicle and permitting to distinguish skin and hair follicle temperature: The first one will stay within safety limits, while high-level hair follicle temperature will destroy its base.