jeep grill jewelry wholesale Why is the newly bought gold necklace with cyan on the neck? Is it fake?

roxi jewelry wholesale If this happens, the reason is very simple. Jewelry is not pure gold and is gold -plated or other metal necklaces. After the precious metal is oxidized in the air, after rubbing with the skin, it will slowly stay on the skin. At this time, the skin and jewelry contact will appear black, or blue and black. The second reason is that the skin is allergic and the skin is dark and itchy. At this time, you must consider whether you are sensitive skin, and think about whether you have allergens. The third reason should be cleaned. Pure gold jewelry will give us the illusion of "rust". The surface of the jewelry will have black or red spots. This is because jewelry is contaminated by external chemicals or dust, not the gold itself rust.

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