Refurbishing a cooktop involves preparation, cleaning and polishing, as noted by the How to Clean Stuff website. In addition, the refurbishing process depends on the structure of the oven, such as whether it is ceramic or stainless steel, as noted by SFGate Home Guides.
The preparation process involves ensuring that all of the burners are turned off. In some instances, it may be necessary to put the burners on a low setting to melt any debris that has built up. Once all burners are adjusted, use a damp cloth to clean the cooktop. For stainless steel models, use water. For ceramic models, consider purchasing ceramic cooktop cleaner. As of March 2015, retailers such as Amazon have this product in stock.
After cleaning, use a polishing product to restore the glossy finish of the cooktop. Do not scrub with the polishing product but instead use a cloth and rotate in a circular motion. If looking for an effective polishing product, consider using Bar Keepers Friend. Available through Amazon, this powder product removes rust and hot water stains. Apply the powder to tile, brass, stainless steel, porcelain, plastics and glass cooktops as necessary. It retails for about $4.80 for a 12-ounce can.