Eleanor Hartley
Why Pearls Ask More of You Than Gold or Silver
A pearl is not a stone cut from rock. It is a layered, organic gem, built up in thin sheets of nacre around a nucleus, and that nacre is mostly calcium carbonate bound together with conchiolin, a protein. The result is soft — roughly 2.5 to 4.5 on the Mohs scale — and slightly porous. It is also vulnerable to acid. Perfume, hairspray, hand cream, sunscreen and your own sweat are all mildly acidic or oily, and each contact dulls the surface just a fraction. None of this shows overnight. A strand worn carelessly for a month still looks lovely; the same strand worn carelessly for twenty years turns chalky and yellowed. The reassuring part is that the damage is almost entirely preventable, and the routines take seconds rather than minutes.
The Golden Rule: Last On, First Off
If you remember one thing, remember this: pearls go on last and come off first. Get dressed, do your hair, apply your perfume and moisturiser, then put your pearls on. At the end of the evening, take them off before you remove your makeup or change for bed.
Perfume is the biggest offender. A single spray directed at the neck or earlobe coats the nacre in alcohol and fragrance oils, and over time that patch becomes visibly duller than the rest of the pearl. If you want scent near your pearls, spray it on your wrists, behind your knees, or onto a scarf rather than your skin.
There are also places pearls should never go:
- The shower, bath or swimming pool — chlorine and salt both attack nacre, and soap leaves a film.
- The gym — sweat is acidic, and a treadmill bounce is hard on silk thread.
- Household cleaning — bleach, ammonia and abrasive sprays are genuinely damaging.
- Bed — tossing in your sleep can stretch or snap a strand.
Wiping, Washing and What to Avoid
After every wear, wipe your pearls with a soft, dry cloth — a clean cotton handkerchief or a microfibre jewellery cloth is ideal. This removes skin oils and perfume residue before they set. Then leave them lying flat for a few hours so any moisture can evaporate naturally.
For a deeper clean, every few months or whenever the strand looks tired, use a barely damp cloth wrung out in lukewarm water. Wipe each pearl gently, then dry immediately with a soft cloth. If your pearls are particularly grimy, a drop of very mild, unperfumed soap in a bowl of lukewarm water is acceptable, but never soak a strand — water can seep into the drill holes, weaken the silk and encourage the thread to rot. Never use:
- Ultrasonic or steam cleaners — they strip nacre.
- Silver polish, toothpaste, baking soda or abrasive pads.
- Alcohol, acetone or commercial jewellery dips.
- Anything labelled "revitalising" or "pearl bleach" — these are marketing, not care.
Human skin oil, incidentally, is not the enemy people assume. Pearls that are worn regularly keep a better lustre than pearls shut away for years, because they are gently and naturally conditioned. Wear them; just clean them afterwards.
Storing Pearls Properly
Store pearls separately from harder gems and metal chains, which scratch nacre with surprising ease. A silk pouch or a soft-lined compartment in your jewellery box is perfect. If you keep a strand in a box, lay it flat rather than hanging it — hanging puts constant tension on the silk and the clasp.
Avoid airtight plastic bags. Pearls need a little humidity, and sealed plastic can dry them out and trap residue. Equally, don't store them in an extremely dry place such as a heated safe or on a sunny windowsill; prolonged dryness causes fine cracking on the surface. A drawer in a normal room is fine. If you own pearls you rarely wear, take them out once or twice a year, wipe them and let them breathe.
Earrings, Clasps and Restringing
Pearl earrings need the same discipline. Put them on after perfume and hairspray, and wipe both the pearl and the metal fitting after wear. Earring posts and butterfly backs tarnish and collect skin oils, and a grubby post is a common cause of irritated earlobes. Check the setting regularly — glue can fail with age, and a pearl that spins freely on its post is a pearl about to be lost. If you wear studs daily, have them checked by a jeweller once a year.
For necklaces, inspect the silk between the pearls every few months. Look for fraying, stretching or darkening, and check that the knots sit snugly between each bead. A well-worn strand should be restrung every one to two years, or immediately if the thread looks tired, if the necklace has been soaked, or if the clasp feels loose. Ask for knotted silk, which stops the whole strand unravelling if it breaks. A good restringing is inexpensive and gives decades more life to your pearls.
Treat them gently, put them on last, and they will reward you with a deep, glowing lustre for a very long time.
