It is not only effective on Copper & brass but also on Aluminium Iron & Silver articles too New Pitambari Shining Powder is introduced with new attractive packaging than regular one with increased cleaning & foaming power which removes oxide layer easily from metal surface & gives shine & gloss to metal surfacesIt has a special cleaning agent in it that removes oiliness & the other stains easily Also it is gentle on hands Its diamond edge cutting property gives fast cleaning effect