Apply a few drops of cooktop cream to the cooktop and spread it over the residue with a scrubbing sponge.
Hold a razor scraper at a 45-degree angle on the cooktop and scrape off the residue. Use moderate pressure to remove tough stains.
Dampen the scrubbing sponge and wipe the cooktop to remove any remaining stains.
Apply two or three drops of ceramic cooktop cream to the cooktop. Spread it over the cooktop in a thin layer with a paper towel.
Buff the cooktop with clean paper towels to polish it and restore shine.