1. Re-plating: You can go to a jewelry store for re-plating. During the warranty period, you can enjoy free electroplating replacement service.
2. Wash with strong soapy water: wash the gold-plated silver ornaments with soapy water of appropriate concentration and soak them in neutral detergent for a period of time. Brush gently with a soft toothbrush, rinse thoroughly, and then dry.