Copper Twist Necklace Choker With Pendant Top Uncoated - Material: Copper - Design: Twist Choker - Color: [Unspecified] - Style: Casual Initially, the color resembles pink gold, but with use, it will turn to a brown hue due to sweat and water. If you prefer the initial color, washing it with vinegar or baking soda will restore it. Also, due to the properties of copper, verdigris (green rust) may appear, but it is harmless. In such cases, washing with vinegar or baking soda will easily remove it. Expected Effects and Properties of Copper Products ▪️Improved blood circulation, pain relief ▪️Sterilization, antibacterial ▪️Mental care ▪️Relief from electromagnetic hypersensitivity Effects vary from person to person. This is only a health supplement and does not guarantee the cure of any illness. For those who want to balance fashion and health. Each item is handmade, so no two are exactly alike. While carefully crafted, it is not suitable for those seeking the quality of mass-produced jewelry. We appreciate your understanding of the handmade nature of the product. Thank you for your understanding. Thank you for viewing.