1. Remove all items from the countertops and thoroughly sweep or vacuum them to remove all dust and debris. 2. Apply a small amount of mineral oil to a soft cloth and buff the surface of the countertops in a circular motion. Continue buffing until the surface is shiny and dry. 3. Repeat as needed for stubborn spots or areas that appear duller than the rest of the countertop.

How to make your countertops shine again is a question that has many answers because there are many ways to achieve a shiny finish on countertops.One way is to use a product called "stone sealer". Stone sealer is a clear, glossy coating that you can apply to your countertops with either a brush or a spray bottle. After the stone sealer dries, it will give your countertops a shine that will last for several months.Another way to make your countertops shine is by using car wax. Apply car wax to your countertops in the same way that you would apply it to your car's exterior.