The blackening of silver jewelry is a normal natural phenomenon. Since sulfur and oxides in air and other natural media have a certain corrosive effect on silver, after a period of time, some tiny spots appear on the silver ornaments and spread continuously, eventually becoming black.
1. Exfoliate the toothpaste, apply it directly on the surface of the silverware, then add a little water to wipe out the foam. If there is a gap, it must be brushed with a toothbrush to prevent the foam from entering the seam.
2. Wipe the surface of the jewelry with a professional silver cloth (except for gold plating).
3. Soak for about 12 hours with overnight tea.
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