You can use bar keepers friend on:
Work Surfaces: to clean and remove stains caused by tea, coffee, fruit juice, felt tip etc.
Ceramic and Stainless steel sinks or basins: to remove dirt stains, soap scum and limescale.
China and Glassware: to remove stubborn tea and coffee stains.
Cookers: to clean ceramic hobs and glass oven doors.
Cookware: to remove baked-on food and rust.
Suitable for ceramic, stainless steel, granite, copper, chrome, china, marble porcelain, plastic, glass, brass, tiles, laminates.
Make sure to always test the product before use. Do not use on mirror polished stainless steel, gold, silver, enamel or high gloss surfaces.