4 thoughts on “Why does Zhou Dafu 24K scrub gold ring turn black?”

  1. The reason for hacking may be due to chemical reactions in gold and cosmetics, or sulfur in the air.
    Gold -haired black cleaning method:
    1. Use a small toothbrush to dip some toothpaste, wash the gold jewelry, and then rinse it with water to restore the gloss as new; Otherwise, the more dirty, especially the golden ring, often with operators, it is easy to stick to dirty things.
    2. You can get some cotton swabs with some dew water and wipe the golden jewelry; the French cotton stick may not be wiped out of the corner of the jewelry, then use the remaining rice water in the house to soak the jewelry. Booming things can also increase the brightness;
    3, or simply buy new gold jewelry, apply a layer of nail polish on the surface of the jewelry, to buy good nail polish, the inferior will fall off quickly, and artificial deduction will be artificially deducted. The falling nail polish will also wear the surface of the jewelry. Good nail polish can protect the gloss of gold jewelry;
    4. If there is a layer of black film on the surface of the jewelry, you must use a professional metal cleaning solution. You can use 2 grams of salt to 2 grams of salt. , 7 grams of soda, 8 grams of bleaching powder, and 60 ml of water. Put the golden jewelry in the cleaning agent. After 1-2 hours, take it out and wash it with water.

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