Madame Glossy's Silver Polish

Madame Glossy's Silver Polish is a magical cleaning solution. As a Squib, Argus Filch may have relied on the product quite heavily, particularly since a number of cans of it were kept stored in the school's broom closet.

Behind the scenes

 * The surname Scower is a play on the word scour, which means "to clean by hard rubbing."

Appearances

 * Harry Potter and the Goblet of Fire (film)