Glasses cleaner Glasses cleaner Norenco The most gentle way to clean glasses. Completely clean without polish, no scratches! Spray on both sides of the glass, wait a few seconds and then rinse with cold water. The few drops left on the glass are gently wiped off with a clean soft cloth or paper. No cleaning required! Suitable for all types of glasses, sports, safety and sunglasses as well as camera lenses and binoculars that can be rinsed with water.