Specially developed for your Porsche: the Porsche Classic silicone remover. The silicone remover is suitable for year-round use in vehicles with an intensive washer system. It is frost-proof down to -20 °C. Straight from the racetrack: the silicone remover can be used to remove even the most stubborn silicone stains and other dirt from the windscreen. It can also be used as a cleaning agent for the windows of your classic car if they are heavily soiled.