1 Avoid direct contact with highly volatile substances in perfume and hair gel, otherwise it will easily lead to gold fading. Don't let chemicals, such as detergents, come into contact with gold. It is necessary to take out the three swimming pools of Jinshi to avoid contact with seawater or pool water and chemical changes on the surface. Gold often loses its luster due to the wear and tear of polluted soil and dust. At this time, just put the gold in warm water washed with neutral detergent, and then take it out to dry. In the case of mercury, gold ornaments will react chemically and appear white spots. As long as it is cleaned and barbecued with alcohol lamp for a while, the original color can be restored. There are several cleaning methods for gold ornaments: 1. In order to protect the luster of gold jewelry, a thin layer of nail polish can be applied. If there is a black silver film on the surface of the bay, a "gold cleaning agent" can be prepared with 2 grams of salt, 7 grams of baking soda, 8 grams of bleaching powder and 60 ml of water. Put the gold jewelry in a bowl and pour in the detergent. Take it out after two hours, rinse it with water (preferably not hard water), bury it in wood to dry, and then dry it with a soft cloth. Mix horn salt and vinegar with detergent, and use it to wipe gold jewelry, so it can be durable. E. wash or scrub with toothpaste. The thick rice soup is warm, and its luster should be restored. Medical treatment of platinum jewelry When you do housework, don't let the platinum jewelry you wear get stained with oil or bleach. Oil will affect the luster of jewelry. Bleach may lead to jewelry production points. Although you should pay attention to young people, don't wear platinum jewelry and gold jewelry at the same time, because gold is soft. If they rub against each other, gold powder will be adsorbed on platinum, and platinum yellow will affect the unique pure luster of platinum. If you often wear platinum jewelry, you should try to clean it once a month to keep it shiny. Exclusive jewelry can be cleaned with detergent or by yourself. The correct way is to put toothpaste on the open towel, rub it back and forth with platinum ornaments to smooth the fine lines and dirt on the surface, then scrub it with diluted household detergent, and then rinse it with clear water to restore the luster as new.