The truth is people are not usually allergic to silver or sterling silver. Rather a metal known as nickel, which has been used in sterling silver. Sterling silver is an alloy consisting of 92.5% silver and 7.5% other metals, traditionally copper, and sometimes some manufacturers will use nickel in sterling silver as a less expensive alternative to other metals.
Why Sterling Silver?
Pure silver is too soft to produce any functional pieces and loses shape too easily. Other metals are added to improve ductility, firescale, tarnish resistance, and reducing casting porosity.
Nickel, is a hard and ductile, silvery white metal that has been mistaken for silver in the past. Nickel is commonly used in jewelry including with precious metals and not just cheap or costume jewelry such as gold, white gold, sterling silver and platinum. Nickel gives white gold its white color by alloying it with gold. Nickel adds many other properties besides color, such as strength and durability, and it has a strong lustrous effect.
Metal Allergy Occurrence
Allergies to nickel occur in approximately 10% of the population, and nickel is the most common...