1. Alloy jewelry, as long as proper maintenance, ensure that it is still bright as new for several years. This kind of jewelry does not need to use very expensive water retention for maintenance, as long as it avoids acid, alkali and humid environment. 2. Contact with chemicals, accessories easily damaged. The aroma of bathing, chlorine gas in swimming, and salt in sea water will cause corrosion marks on the jewelry coating, so all accessories should be removed before bathing or swimming. 3. Collision is easy to wipe flowers, storage should be careful, do not overlap the jewelry together, should be stored in the original bag or in the jewelry box with an independent small grid, should put 1 desiccant! In addition, it should avoid rubbing with each other and wiping the surface. 4. Cleaning jewelry from time to time Use a soft brush to wipe the surface of the jewelry to remove surface stains. To alloy jewelry allergy how to do? There are many MM allergic to metal, especially alloy things, you can apply a layer of transparent nail polish on the surface in contact with the skin so as to prevent oxidation and allergy!