The Gaggia INOX cleaner cleans, protects, and enhances stainless steel, aluminum, and non-ferrous metal (copper, brass, bronze, etc.) surfaces. This water-based formula safely removes smudges, dust, oil, light lime, and rust. The product is safe for use. Gaggia Inox cleaner is the perfect cleaner for the outside of your espresso machine. Using this product you will have the protection from corrosion, rust, lime and calciumdeposits, as well. Recommended for all Gaggia Espresso Machines.