You open the drawer, reach for a silver piece you have not worn in a while, and it has gone dull or even black. The good news is that this is tarnish, not damage, and it is both normal and reversible. A blackened piece of silver is almost always a sign that the silver is real, and in most cases it cleans up at home in a few minutes. Here is why silver turns black, how to clean it safely without harming the piece, and how to keep it bright.
Why silver turns black
Tarnish is a chemical reaction, not dirt and not rust. The copper in sterling silver, and the silver itself, react slowly with sulphur compounds in the air, in sweat, and in everyday products, forming a thin dark film on the surface. That film is silver sulphide, and it sits on top of the metal rather than eating into it, which is exactly why it can be removed and the shine brought back. Iron rusts and is damaged; silver tarnishes and is simply waiting to be cleaned.
Does real silver tarnish?
Yes, and that is the point worth knowing: real 925 sterling silver tarnishes, while many cheap costume pieces do not, because they contain little or no actual silver. So a piece that has gone dark is usually proof that you own the real thing. If you are weighing up whether solid silver is worth it over fashion metal, our note on whether sterling silver is worth it covers the trade, and tarnish that cleans away is part of why the answer is usually yes.
Why some pieces tarnish faster
Tarnish speed is mostly about exposure, not quality. Skin chemistry varies, so the same piece can darken quickly on one person and slowly on another. Sweat, perfume, hand cream, hairspray, and household cleaners all speed it up, and so does humidity, which is why a piece left in a damp bathroom dulls faster than one worn daily. Chlorine from pools and salt from the sea are especially harsh. A piece that is worn often, oddly enough, tarnishes less, because wear and skin contact keep the surface bright.
What about rhodium and gold plated silver
Most Loretana pieces are 925 silver finished with rhodium or with real 14K or 18K gold, and that finish matters here. Rhodium is a bright, hard metal from the platinum family that resists tarnish far better than bare silver, so a rhodium finished piece stays bright with very little effort. Gold plating behaves similarly. The finish is a layer on top of the silver, so the goal when cleaning is to lift any film gently without scrubbing the plating thin. We explain the finishes in our guides to rhodium plating and gold plated silver.
How to clean tarnished silver at home
Start with the gentlest method and only escalate if you need to.
- Light dullness: rub the piece with a dedicated silver polishing cloth. This is the safest method and is usually all a lightly tarnished piece needs.
- Everyday grime and light tarnish: a few drops of mild dish soap in warm water, a soft brush or fingertips, then rinse in clean water and dry fully with a soft lint free cloth.
- Heavier tarnish on plain silver: line a bowl with aluminium foil, add hot water, a tablespoon of baking soda, and a little salt, then rest the piece on the foil for a minute or two. The tarnish transfers to the foil through a simple reaction. Rinse and dry well afterwards.
Always dry the piece completely, because trapped water encourages more tarnish. For a fuller routine on keeping pieces bright between cleans, see our silver jewelry care guide.
What not to do
A few common shortcuts cause real harm. Do not use toothpaste or baking soda paste as a scrub on plated or polished pieces, because the abrasives leave fine scratches and can wear plating thin. Skip paper towels and tissues, which scratch; use a soft cloth. Keep harsh chemicals, bleach, and acetone away from silver entirely. Be cautious with the foil and baking soda bath on plated pieces, pieces with glued or delicate stones, or anything you are unsure about, and when in doubt use only the cloth or mild soapy water.
Stones, engraving, and delicate settings
Cubic zirconia and most hard stones tolerate gentle soapy water and a soft brush, which actually restores their sparkle by clearing the film behind the stone. Avoid long soaking of any piece with a glued setting, and avoid ultrasonic cleaners unless you know the stone is suitable. Engraved pieces clean normally, and a soft brush helps lift any film out of the lettering so the engraving stays crisp.
How to keep silver from tarnishing
Prevention is easier than cleaning. Store pieces dry, sealed, and separate, ideally in a closed pouch or a zip bag with the air pressed out, and an anti tarnish strip or a silica gel sachet helps in a jewelry box. Put jewelry on last when getting ready, after perfume, cream, and hairspray, and take it off first at the end of the day. Remove pieces for swimming, showering, and cleaning. And wear your silver: the pieces you use often are the ones that stay brightest. Our guide to storing silver jewelry covers this in full.
When it is not tarnish
Two things are sometimes mistaken for tarnish. If a gold plated piece is showing a cooler, silvery tone in spots, that is plating wearing through with time rather than tarnish, and polishing will not bring the gold back; our guide to gold plated silver explains the difference. And if your skin, rather than the metal, is marked, that is a separate effect we cover in why jewelry turns skin green. Real tarnish is the dark film on the metal itself, and that is the one that cleans away.
The short version
Silver turns black because real silver reacts with sulphur in the air and on skin, the film sits on the surface, and it cleans off with a polishing cloth, mild soapy water, or a foil and baking soda bath for heavier cases. Avoid abrasives and harsh chemicals, dry pieces fully, and store them dry and sealed to slow it down. A rhodium or gold finish, as on most Loretana pieces, keeps tarnish to a minimum in the first place. Cared for this way, real 925 silver looks new again and again for years.
Frequently asked questions
Why does silver turn black?
Silver tarnishes, which means it reacts with sulphur compounds in the air, in sweat, and in everyday products to form a thin dark film called silver sulphide on the surface. It is a chemical reaction, not rust or damage, and it sits on top of the metal so it can be cleaned off.
Does real silver tarnish?
Yes. Real 925 sterling silver tarnishes, while many costume pieces do not, because they contain little actual silver. A piece that goes dark is usually proof that it is genuine silver, and it cleans up rather than being ruined.
How do you clean tarnished silver at home?
Start gentle. Use a silver polishing cloth for light dullness, mild dish soap in warm water with a soft brush for grime, and for heavier tarnish on plain silver, rest the piece on aluminium foil in hot water with baking soda and a little salt for a minute or two. Rinse and dry fully.
Is the foil and baking soda method safe?
It is safe for plain silver and is gentler than abrasive pastes, because the tarnish transfers chemically rather than being scrubbed off. Be cautious with plated pieces and with glued or delicate stones, and when unsure use only a polishing cloth or mild soapy water.
Does rhodium plating stop silver tarnishing?
Rhodium is a hard, bright metal that resists tarnish far better than bare silver, so a rhodium finished piece stays bright with little effort. Gold plating behaves similarly. Clean these gently so you do not wear the finish thin.
How do you keep silver from turning black?
Store it dry, sealed, and separate, with an anti tarnish strip or silica gel, put it on after perfume and cream, take it off for swimming and showering, and wear it often. Pieces worn regularly stay brightest.
MB Loretana is officially registered with Lietuvos prabavimo rumai (order 4819767, dated 2026-03-04) and identified by a registered responsibility mark. Every piece carries the 925 international hallmark alongside our responsibility mark, and ships from Kaunas within 1 business day, with 1 to 3 business days delivery across Lithuania, Latvia, and Estonia.
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