Originally Posted by
Nuntits
Autosol Metal Polish "Developed in1929 for the German auto industry, this metal polish is effective on a wide range of materials including steel, stainless steel, brass, chrome and copper( not recommended for silver or anodized aluminum). Applied with a soft cloth and wiped away, it uses a fast-acting chemical reaction to remove rust and tarnish, leaving an invisible film that inhibits oxidation for months." from Lee Valley tools web site. Page has a picture of a hand plane, half rusted and the other half polished clean. I've not used this product yet for my own razors, but I plan to.