Lead and nickel in jewelry can cause allergic reactions. Trace amounts of lead and nickel may be found in some hypo-allergenic jewelry. Iris Fashion Jewelry is made of different metals. It would be nickel free and lead free or contain a low level that are within the acceptable United States standards.
Iris Fashion Jewelry is fashion jewelry known as costume jewelry therefore not real gold or real silver. Gold and silver in the description refers to the color and not the the material used. Genuine gold, silver, gemstone, diamond, etc would be indicated as such in the description.