If your gold or silver jewelry have lost their luster, restore them to their original sparkling glory with jewelry cleaner. Don’t use household cleansers, which can damage the finish. A bottle will last you forever, so it’s worth the expense! Some people say that soaking pieces in vinegar can help, but test this first on a “cheap” piece or an inconspicuous part of your jewelry. The vinegar can react to some metals and many gold and silver jewelry use a combination of metals.