All pendants are made with high-quality tarnished copper, which is treated with liver of sulfur to give it a unique look. The copper is hypoallergenic and nickel-free, making it safe for most people to wear. Please note that the copper-plated chain that comes with the pendant is not hypoallergenic. Also each creation is shipped in dry lavender cleansing while it ships>   If you have any allergies, please let us know when you place your order