If you've ever taken off a ring after a long day and found a faint green mark underneath, you know the feeling: you liked the piece, you wore it a few times, and now it's in a drawer.
Here's the reassuring part. That mark is almost always a reaction from the metal, not a sign that something is wrong with you.
What's actually happening
Many affordable fashion pieces are made from brass or copper with a thin layer of gold-tone or silver-tone plating on top. Copper reacts with the moisture, salts and mild acids in sweat and skin oils, and forms green copper compounds. That's what you see on your skin.
A few things make it more likely:
- Thin plating. Plating wears down with friction, so the copper underneath becomes exposed sooner. Pieces you wear daily, like stacked rings, studs and chains, wear through faster than occasion-only jewellery.
- Body chemistry. Sweat varies from person to person, so some people notice it more than others.
- Moisture, lotions and perfume, which all speed up the reaction.
For most people the green mark is a harmless cosmetic stain that washes off with soap and water. If your skin ever becomes itchy, red or sore, stop wearing the piece, and see a doctor if it persists.
Why the base metal matters
Stainless steel is different from brass and copper. It contains chromium, which forms a thin, invisible protective layer on the surface. That layer is why stainless steel resists corrosion much better than copper alloys.
Stainless steel comes in different grades. 316L also contains molybdenum, which improves resistance to salts, such as the salt in sweat and humid air. The "L" means low carbon, which helps the metal hold up better where parts are welded or soldered. It's widely used in piercing jewellery and in medical-type products.
316L stainless steel contains no copper in its standard composition, so it does not cause the green marks that copper alloys do. If a plated 316L piece eventually wears, the metal that shows is steel-coloured, not green.
What we use at Nayanzy?
Our pieces are made on a base of 316L stainless steel, finished with PVD gold-tone coating.
Two things worth knowing:
- Coatings can still wear over time. Friction, sweat, chlorine, sanitiser and perfume can all gradually dull a finish, however good the steel underneath.
- 316L is not a guarantee for every skin type. It contains nickel and releases very little in everyday wear, but if you have a diagnosed nickel allergy, check with your doctor before wearing any stainless steel.
We're happy to share material details on request [only if true: and we can provide material test information].
Making everyday jewellery last longer
- Put jewellery on last, after perfume, hairspray and lotion.
- Wipe it with a soft, dry cloth after wearing.
- Store it dry, ideally in its pouch, away from other pieces so they don't scratch.
- Take it off before swimming, long showers and cleaning with harsh chemicals.
Wearing jewellery every day is the point. Starting with a base metal that suits daily wear, and giving it a little care, makes that much easier.