To clean costume jewelry, wipe the surfaces with a solution of carbonated water and mild dish soap. Make sure to wipe off the residue with a cloth dipped in plain water before laying the pieces out to dry.Continue Reading
Pour a few drops of mild dish soap into a bowl of club soda or sodium-free seltzer water. The carbon in these liquids is effective at breaking up accumulated dirt and grime.
Dip a cloth in the soapy solution, and gently wipe each piece. Follow up with a cloth dipped in plain water to remove soap residue.
Pat the pieces with a clean cloth, and lay them out to dry.