Not only can you damage the sealant but the eraser may make the countertop appear dull. All of these cleaning products can cause more harm than good. If you scrub your stainless steel too hard ...

Magic Erasers, which are essentially melamine sponges ... Unexpectedly, the disposable sponges are very abrasive. When given a good squash, wetted melamine sponges can remove anything off either ...