Sterling oxidizes when it comes in contact with body tissues and fluids. Tarnish, the Nose Rings
end result, is not something you want in an open wound.
2. Costume Jewelry
Avoid all types of costume jewelry for unhealed piercings because this jewelry usually contains large amounts of nickel. In recent years, some costume jewelry has even been found to contain lead, which would be dangerous for you to wear in any type of jewelry, especially in new piercings.
In 2004, California sued several major retailers for rose gold cartilage
not disclosing that jewelry on their shelves contained lead.