Laser cleaning - what it is? How it works Laser cleaning is the process by which contaminants, debris or impurities are removed from the surface by using laser irradiation.The field of application of laser cleaning is wide – it can clean metal-, stone-, wood-, glass-, plastsurfaces, ceramics etc. Laser light removes rust, oxide, paint, varnish, mold, dirt, oil, soot and much more. Green technology Laser cleaning is environmentally-friendly technique, which is in widespread use throughout global industry.No harsh solvents or chemical products are used during cleaning process.It uses only energy consumed from power grid.No abrasives, harsh solvents or chemical products are used during the process.