The brass statues are truly customer friendly as they do not rust. They are protected from moisture's. So, to clean the brass statue, you can use a wet cloth to wipe over the dust. You can even use other cleaning products to bring forth the sheen. However, the brass statues can get a dust coating that sticks to it. To remove this thick dirty layer, you will need to polish the brass statues. You can easily reach a nearby handicraft store where they will polish the statue to make it look anew. This should be done in some months or two to prevent the formation of oxidation layers.