Daily maintenance is indispensable to make jewelry beautiful and shiny for a long time. Jewelry will be oxidized in the air for a long time. In addition, sweat stains secreted by human body and daily skin care products will affect the luster of jewelry, so don't let cosmetics directly contact jewelry every day. In addition, it is necessary to maintain jewelry regularly. Generally, a treasure will sell special care liquid and cloth for jewelry, which can be used to prepare for daily jewelry maintenance.