18K When the color of the gold necklace is not very beautiful, it can be soaked in ammonia for one night, which can remove the dirt on the surface of the necklace and restore the original beautiful color. It should be noted that the concentration of ammonia water used to clean the necklace should not be too high, so as not to corrode the electroplated layer on the surface.

2, alcohol soapy water cleaning

Cleaning with the mixed solution of alcohol and soapy water, adjusting the concentration of alcohol and soapy water, and wiping the 18K gold necklace with a soft cloth dipped in water can effectively remove the dirt on the surface. It should be noted that when cleaning the necklace, do not choose to wipe the necklace with a toothbrush or cloth with particles to avoid scratches.

3, alcohol lamp baking

Bake with alcohol lamp. 18K gold necklace will have some white spots on its surface during daily wearing. At this time, the spots on the surface can be removed by baking with alcohol lamp. The main reason for these spots is that the cosmetics used in daily life contain mercury, which will adhere to the surface of the necklace when it comes into contact with the surface of the necklace. The high temperature can melt the mercury, and the white spots on the surface can be removed by wiping with a soft cloth after baking.

4, jewelry cleaner cleaning

If the 18K gold necklace is inlaid with precious stones, you can choose to use a cleaner or a special jewelry cleaner to clean it. Dip a used old toothbrush in detergent, gently clean the stain in the gap of the gem, and then wipe it with a soft cloth. Be careful to use an old toothbrush for cleaning, because the hair of the old toothbrush will not be as hard as that of the new toothbrush, so as not to damage the surface of 18K gold.

Maintenance skills of 18k gold necklace

First, take out each piece of 18K gold jewelry before going to bed and put it in different jewelry boxes or drawers independently. It's best to separate different jewelry with soft cloth in the jewelry box or drawer to avoid scratching 18K gold jewelry.

Second, clean 18K gold jewelry regularly. The method is to soak 18K gold jewelry in warm and neutral soapy water, and then gently wipe off the grease covered on it with a soft brush. Finally, don't forget to rinse it with clean water, and then blow dry it with a hair dryer.

Thirdly, due to the high ductility of 18K gold, it should be temporarily removed when participating in sports or activities that may exert external force on 18K gold jewelry, because jewelry 18K gold jewelry will be easily deformed or even broken when subjected to certain external force.