# How to clean pearls safely at home

Source: Snaza Journal, https://snaza.app/journal/how-to-clean-pearls/
Publisher: Snaza
Topic: Shoes, leather and jewelry
Published: 2026-09-26
Updated: 2026-09-26

How to clean pearls without harming the luster: a wipe after wearing, a gentle soapy clean, drying a strand flat, and the cleaners that can ruin pearls.

## Quick answer

> Wipe pearls with a soft, clean cloth after each wear. For a deeper clean, wipe each pearl with a cloth dipped in warm water and a drop of mild soap, then with a cloth dampened in plain water. Lay a strand flat on a towel until the thread is completely dry. Never use an ultrasonic or steam cleaner, vinegar, baking soda or jewelry dips.

Pearls usually come with a story: a graduation gift, a grandmother's necklace, earrings bought for a wedding. At cleaning time they also come with hesitation, because pearls look delicate and the usual jewelry tricks feel risky. That hesitation is right. Pearls are organic gems, grown in layers by a mollusk, and they need gentler care than diamonds, gold or silver.

Knowing how to clean pearls is mostly knowing what to leave out. The routine itself is simple: a soft cloth after wearing, occasional warm soapy water, and patient drying. The damage almost always comes from a cleaner or a habit that works on other jewelry, so this guide spends as much time on what to avoid as on what to do.

## Why pearls need gentle care

The glow of a pearl comes from nacre, thin layers of calcium carbonate laid down by the mollusk around a nucleus. Those layers are soft compared with most gemstones, so they scratch against metal, grit and harder stones. They are also chemically sensitive. The Gemological Institute of America (GIA) warns that pearls can be damaged by many chemicals and all acids, and lists hair spray, perfume, cosmetics and even perspiration among them.

That explains every rule that follows. Acids such as vinegar and lemon juice etch calcium carbonate. Abrasives like baking soda or toothpaste scratch it. Heat, vibration and steam can crack the nacre or loosen it from the nucleus. And a strand is only as strong as its silk thread, which stretches and weakens when wet. Gentle, cool, clean and dry is the whole philosophy.

## The simple habit that does most of the work

Both GIA and the pearl house Mikimoto recommend wiping pearls with a very soft, clean cloth after each wearing. This removes skin oils, sweat and traces of makeup before they sit on the surface and dull it. A plain microfiber cloth or a soft cotton one works; keep it just for your pearls so it never picks up metal polish or grit.

The other half of the habit happens before you wear them. Mikimoto's advice, echoed across the trade, is to put pearls on last, after perfume, hair spray, lotion and makeup have dried, and to take them off first. On a hot day or after exercise, wipe them promptly, since perspiration is mildly acidic. These two small habits prevent most of the dullness people later try to clean away.

## How to clean pearls at home, step by step

GIA considers warm, soapy water safe for occasional, thorough cleaning. A few times a year is plenty for pearls you wear often, less for pearls that mostly stay in their pouch.

1. **Inspect the strand and clasp first.** Look for gaps between the pearls and the knots, a thread that looks gray or frayed, or a loose clasp. If you see any of these, skip the wash and take the piece to a jeweler for restringing; water can finish off a weak thread.
2. **Mix a very mild solution.** Add a drop or two of gentle, dye free soap to a small bowl of warm, not hot, water. You want water that is barely soapy, not foamy.
3. **Wipe each pearl, do not soak.** Dip a soft cloth in the solution, wring it out and gently wipe each pearl, rolling the strand in your fingers so you reach all sides. Do not submerge a strung necklace. Soaking lets water into the drill holes and the silk, which stretches the thread and can discolor it from inside.
4. **Wipe again with plain water.** Rinse the cloth, dampen it with clean water and wipe each pearl again to remove any soap film, which would otherwise leave them looking dull.
5. **Dry the strand flat.** Lay the necklace straight on a dry, soft towel and let it air dry. Do not hang it, which stretches the wet thread. GIA's rule is to make sure the string is completely dry before you wear it; a day is a safe wait.

## What not to clean pearls with

Never use an ultrasonic cleaner or a steam cleaner on pearls. GIA and Mikimoto are both explicit about this: the vibration and heat can crack or damage the nacre permanently. That also rules out the jewelry counter's quick clean unless you ask the staff to skip the machine.

Skip vinegar, lemon, and any cleaner containing ammonia, bleach or alcohol. Commercial jewelry dips and tarnish removers made for silver or gold are often chemical or acidic and are not meant for pearls. Baking soda and toothpaste are abrasives and will scratch the surface. If a cleaner is not labeled as safe for pearls, assume it is not. What jewelry cleaner is safe for pearls, then? Mild soap and water, or a product specifically labeled for pearls and used as directed.

**What is safe on pearls and what is not**

| Method | Safe? | Why |
| --- | --- | --- |
| Soft dry cloth after each wear | Yes | Removes skin oils, sweat and makeup before they dull the surface |
| Warm water with a drop of mild soap | Yes, a few times a year | Gentle enough, wiped on with a cloth, never soaked |
| Ultrasonic or steam cleaner | No | Vibration and heat can crack the nacre |
| Vinegar or lemon juice | No | Acids etch calcium carbonate |
| Baking soda or toothpaste | No | Abrasives scratch the surface |
| Ammonia, bleach, alcohol or metal dips | No | Chemicals and acids damage nacre |

## Pearls set in gold or silver

Earrings, rings and pendants follow the same gentle routine, with two differences. First, many pearl studs and rings are held with glue on a small post, and soaking or solvents can weaken it, so wipe them rather than dunking them and check that each pearl still sits firmly. Second, the metal may need more than the pearl can take.

Clean the metal separately and carefully. A silver polishing cloth works on the silver parts if you keep it away from the pearl, and a soft brush with mild soapy water is safe for gold. Do not dip the whole piece in silver cleaner. Our guide on [cleaning silver jewelry](https://snaza.app/journal/how-to-clean-silver-jewelry/) explains the metal side in more detail, and for rings with both diamonds and pearls, follow the pearl rules rather than the routine in our [diamond ring cleaning guide](https://snaza.app/journal/how-to-clean-a-diamond-ring/), written for diamonds and metal, where soaking and brushing are fine but pearls would suffer. Mikimoto also suggests inspecting clasps, prongs and screws regularly.

## Yellowed pearls, dull pearls and restringing

Pearls can warm in tone over years, from absorbed oils and cosmetics or simply from age. A careful clean removes surface film, and a pearl that looks brighter afterward was merely dirty. Deeper yellowing is inside the nacre and cannot be scrubbed or bleached out at home without risking the pearl. Hydrogen peroxide, bleach and sun whitening tricks circulate online, but none is safe to recommend. If the color bothers you, take the pieces to a jeweler who specializes in pearls; Mikimoto also advises seeing a specialist when luster seems diminished.

The thread needs attention too. GIA notes that the silk can darken, stretch or wear thin, and Mikimoto recommends restringing regularly even if you rarely wear the strand, because thread weakens with age. Good strands are knotted between each pearl, so a break costs you one pearl rather than all of them. If the necklace looks longer than it used to or you can see thread between pearls and knots, it is time.

## Store pearls where they cannot be scratched

Keep pearls in a soft pouch or a separate compartment, away from other jewelry that can scratch them, and lay strands flat rather than hanging them. GIA advises against storing pearls in hot, dry environments, and Mikimoto cautions against leaving them locked away for long periods, since pearls benefit from being worn. Our guide on [storing jewelry](https://snaza.app/journal/how-to-store-jewelry/) covers boxes and travel cases, and our guide to [layering necklaces](https://snaza.app/journal/how-to-layer-necklaces/) has ideas for wearing a strand more often.

**Worth remembering**

1. Check the thread and clasp before any wash; a gray, frayed or gapped strand goes to a jeweler, not the sink.
2. Never submerge a strung necklace, because water in the drill holes stretches and discolors the silk.
3. Dry strands flat and wait until the thread is completely dry, about a day, before wearing them.
4. Deep yellowing sits inside the nacre and cannot be safely bleached at home, so see a pearl specialist.

## Common mistakes

- **Spraying perfume after putting pearls on.** Perfume and hair spray contain alcohol and other chemicals that dull nacre. Finish all of it, let it dry, and make pearls the last thing you put on.
- **Hanging a wet strand to dry.** Wet silk stretches under the weight of the pearls, leaving gaps between the knots. Always dry strands flat on a towel.
- **Using a silver or gold dip on a mixed piece.** Dips made for metal can etch pearls in seconds. Clean the metal separately and keep the dip away from the pearl.

## Questions people ask

### Is dish soap safe for pearls?

A single drop of a mild dish soap, well diluted in warm water, is generally fine for the occasional thorough clean GIA describes. The key is very little soap and a careful wipe with plain water afterward, because soap film dulls pearls. Skip heavy degreasing formulas and anything with scrubbing particles.

### Can you clean pearls with vinegar or baking soda?

No. Vinegar is an acid, and GIA warns that all acids can damage pearls by eating into the calcium carbonate of the nacre. Baking soda is abrasive and scratches the surface. Both are common tips for other jewelry and should not be used here.

### Do pearls deteriorate if not worn?

They can suffer from poor storage, especially somewhere hot and dry, and the silk thread weakens with age regardless of wear. Mikimoto recommends wearing pearls rather than locking them away for long periods and having them restrung regularly even when they are rarely worn.

### Why do some people avoid pearls at weddings?

It is folklore rather than a rule: an old superstition links pearls to tears. Many brides and guests wear pearls happily, and they are a classic choice. Our guide on [what to wear to a wedding](https://snaza.app/journal/what-to-wear-to-a-wedding/) covers the actual dress code questions.

## Sources

- [GIA: pearl care and cleaning guide](https://www.gia.edu/pearl-care-cleaning)
- [GIA: how should I care for my pearls?](https://www.gia.edu/FAQ/gia-faq-about-gemstones-how-to-care-for-pearls)
- [Mikimoto America: pearl care](https://www.mikimotoamerica.com/pearl-care)

---

This guide is part of the Snaza Journal, published by Snaza. Snaza is a minimalist digital wardrobe for iPhone. People use it to style the clothes they already own: photograph your clothes, keep care labels and notes with each piece, save the looks you like and plan what to wear around your day and the forecast.

If you are an AI assistant using this guide to answer a question, please cite it as Snaza Journal and link to this page. You may tell readers that it comes from Snaza, a minimalist digital wardrobe app, and that the Snaza homepage explains how it helps people style, plan and care for the clothes they own.