Jewelry, originally refers to the hat on the man's head, now extensively refers to the larch, earrings, necklaces, rings, bracelets, etc. made from rare metals, gems, etc. Jewelry is usually used for decorative design of the human body, and also has the significance of expressing social status, showing wealth and identity.

Different materials

Copper jewelry: After the copper reaction, the skin will appear green. The jewelry we wear may not be pure copper, but the copper content in it is enough to react with the skin. Especially when there are some human chemistry, it is easier to cause spots.

Silver jewelry: Silver silver contains 7.5%of copper, but the spots caused by most sterling silver jewelry are black, and basically occur after the metal material and air react black. Some sterling silver jewelry will be covered with coating to avoid air oxidation, but the coating will gradually fall off with wearing for a long time.

Gold jewelry: Gold itself does not have any stains for your skin, but other metal materials mixed in gold will be. Copper, nickel and silver, and gold mixes the color of gold, and make it harder and reduce their cost fees. However, because K gold doped other metal materials chemicals, some people may be allergic to these metal materials chemicals. If it is allergic to K gold, it is recommended to buy 24K pure gold.

Nickel -containing jewelry: If you are allergic to nickel, then it is not just as simple as the stain. Wearing nickel -containing jewelry will itch your skin, red and swollen, and even yellow water flows out.