the jewelry oxidizes when it gets wet. Like copper does when its outside.
I think it is bad for skin
Silvertone jewelry is a costume jewelry made to look like silver. It can cause skin to turn green due to the copper and nickel in the metal
Wear Silpada!!!! Usually, only fake, costume jewelry will turn green. This is because it is made from copper instead of gold and the oils form you skin cause the copper to corrode. The green corrosion can stain your fingers or any other skin the metal is held against. So, short answer, get some real jewelry...
Copper is what is in jewelry that turns skin green after lengthily wear. If the aluminum is If the aluminum is anodized it won't corrode at all.
Stop wearing costume jewelry.
scabbibummsin
That's copper oxide coming out. Some people's body chemistry makes it happen faster than others.
http://www.helium.com/items/597008-why-do-some-jewelry-metals-turn-skin-green
If it is cheap or if you are allergic It depends on the type of jewelry. Costume jewelry is generally made from cheap metal, chemical from a persons skin, along with perspiration reacts with this metal and cause the "green" effect, much in the same way that types of water (salt usually) has the effect on copper. Metals such as Gold, (depending on the Karat), Platinum, Silver, usually
Depends on the persons skin, and if they take care of it.
The reason some costume jewelry turns skin green is because the outer plating has worn off and the copper alloy metal underneath is exposed. It is the copper in the metal that is turning your finger green.
Jewelry with a gold overlay can possibly turn your skin green. This is determined by if you have a skin allergy to the metal under the overlay.