紅銅
紅銅的純度高，未氧化前帶有玫瑰紅色；氧化後呈深啡色。令普遍顏色偏冷調的金屬產品，增添溫暖色彩。
紅銅氧化時會產生氧化物，但對人體無害。配戴紅銅首飾時，氧化物會在皮膚上留下啡/灰/黑色的痕跡，長戴亦會持續有氧化物。在不配戴的情況下，幾日後會自然褪色。
如皮膚較易產生過敏，建議選擇低敏的貴金屬包括純銀、18K金、鉑金等材質
Important Notice of
Copper Materials
．NOT SUITABLE for allergies or sensitive skin. (Hypoallergenic options : 925 Silver or 18K Gold)
．Oxides from copper are harmless to human
．Wearing copper jewellery may leave dark marks on the skin due to copper oxides
．The marks generally fade after washing hands or taking off accessories
．Red copper oxidises, resulting in shades of rose gold or brown
．The hue is a natural variation and does not oxidise to a specific colour
．Dry copper accessories immediately after getting wet to prevent oxidation
．Remove accessories before water activities like swimming, bathing or hot spring etc.
