As a material science expert with a keen interest in the effects of various metals on the human body, I've spent considerable time studying the properties of aluminum and its use in jewelry. Aluminum, particularly in its pure form, is known for its hypoallergenic qualities, making it an excellent choice for those with sensitive skin or allergies to common metal alloys.

Pure aluminum, designated as 1100 series, is indeed a material that is less likely to cause skin reactions. It is composed almost entirely of aluminum, with trace amounts of other elements that do not include the metals commonly associated with allergic reactions, such as lead or nickel. This purity is what makes it a safe option for jewelry that comes into contact with the skin.

One of the concerns with metal jewelry is the potential for the metal to oxidize or corrode, leading to discoloration of the skin. However, aluminum has a unique characteristic where it forms a thin, protective oxide layer when exposed to air. This oxide layer is stable and prevents further oxidation of the underlying metal. As a result, aluminum does not rust, tarnish, or cause the skin to turn green, which is often associated with the oxidation of copper or other metals that can react with the chemicals in the skin's sweat.

The misconception that aluminum might turn the skin green likely stems from a lack of understanding of the metal's properties and how it interacts with the human body. The green discoloration is typically a result of a chemical reaction between the metal and the sulfur present in sweat, forming a compound that can stain the skin. Since aluminum does not readily react with sulfur in this way, it avoids this issue.

Moreover, aluminum's lightweight nature makes it comfortable for long-term wear, and its malleability allows for a wide range of designs in jewelry. It is also cost-effective, making it accessible to a broader audience.

In conclusion, aluminum rings, especially those made from pure aluminum, are a safe and hypoallergenic option for jewelry. They do not turn the finger green due to their stable oxide layer and lack of reaction with the skin's natural chemicals. If properly cared for, aluminum jewelry can be a durable and stylish choice.

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All jewelry is made out of 1100 pure aluminum. There is a much lower rate of skin reaction with pure aluminum. It does not contain lead or nickel. It will not rust, tarnish or turn your skin green.read more >>