Mix equal pieces baking soda and drinking water inside a bowl (for instance: 2 tablespoons of baking soda + 2 tablespoons of water, altering roughly for the amount you would like). Try metallic polish. Metallic polish is designed to make metals brighter, but it surely’s also effective at removing scratches https://unscratchthesurface.com/unveiling-the-secrets-taking-scratches-out-of-glass/