"silver polish and toothpaste use the same basic ingredients."

Hmmm Interesting. Do we have a link as to this type of silver polish?
We generally don't recommend any type of cream or paste because it can really gunk a flute up.

Some use ferric oxide but I believe that cerium oxide may be what's in silver cloths but the generally don't say:
http://www.jewelrysupply.com/products/BF9618.html