1. Baking soda and water: The common method is to clean antique jewelry with baking soda and warm water. This method can remove the stains on the surface of jewelry and restore its original brightness.
2. Olive oil or vaseline: After cleaning antique jewelry, you can use olive oil or vaseline to care for it. Applying a small amount of olive oil or vaseline to the surface of jewelry and gently wiping it with a soft cloth will help protect jewelry from oxidation and discoloration.
3. Boutique jewelry wipes: There are also some products specially used for cleaning and protecting jewelry on the market, such as boutique jewelry wipes. These wet wipes contain special solvents and nursing ingredients, which can remove stains and protect the luster of jewelry.
It should be noted that different jewelry materials and gems may require different maintenance methods. If you are in doubt about certain antique jewelry, you'd better consult a professional jewelry appraiser or jeweler to ensure the correct protection of their color and quality.