Anti-Tarnish Jewellery: What It Actually Means (And What to Look For)
What does anti-tarnish jewellery really mean? We explain the science, the coating process, how to identify genuine anti-tarnish pieces, and how long they last.
What 'Anti-Tarnish' Actually Means
Anti-tarnish is not a material — it's a treatment applied after the main plating. The most common method is e-coating: the piece is dipped in a lacquer bath and an electrical charge causes the lacquer to bond uniformly to the surface. This creates an invisible barrier that resists the oxidation and sulphide reactions that cause tarnishing.
Anti-Tarnish vs Waterproof
Anti-tarnish coating protects against air exposure and light moisture. It does not make jewellery fully waterproof. Prolonged submersion, especially in chlorinated or saltwater, will eventually penetrate the coating. Think of it as water-resistant, not waterproof.
How Long Does It Last?
Under normal daily wear conditions, anti-tarnish coating typically lasts 6–18 months. Factors that shorten lifespan: frequent exposure to sweat, perfume, cleaning products, and physical abrasion. Factors that extend it: proper storage, keeping dry, and wiping after each wear.
What to Look For When Buying
Look for terms like 'e-coated', 'lacquer coated', 'anti-tarnish finished', or 'protected plating'. A vague claim of 'anti-tarnish' without specifics is less reliable. Ask the seller about the coating process and typical lifespan they guarantee.
Frequently Asked Questions
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