Cillit Bang Power Cleaner Grime and Shine restores shine and is effective on over 40 grime stains that you can find both indoors and outdoors. It is suitable for a variety of surfaces including sinks, glass, showers, tiled walls and plastic furniture*. *Use not recommended on: Natural stone, brass, copper textiles, linoleum. Always test on an inconspicuous area for at least 5 minutes to ensure compatibility with the surface.