As an organic gem, pearls are vulnerable to chemicals found in cosmetics, hair spray, and perfume. To preserve the luster of your pearls, always put on your jewelry after applying make-up and styling products.
Pearls can also be harmed by perspiration. Before placing your pearls back in the jewelry box, wipe them gently with a soft cloth.
Contact with other jewelry may scratch pearls. Avoid tangles by fastening clasps, then lay each jewelry piece in a separate compartment of your jewelry box. When traveling, use a protective jewelry pouch or wrap each item in a soft cloth. Pearls can dehydrate when stored too long, so enjoy them frequently.
Never use an ultrasonic cleaner on your pearls. It can damage their nacre. Occasionally wipe your pearls gently with a cloth dipped in mild, soapy water. Then rinse the cloth in fresh water and wipe the pearls clean. Dry them with a soft cloth.
If pearls come into contact with an acid substance such as fruit juice, vinegar, or other chemicals, immediately wipe clean with a soft cloth. Be careful not to submerge your pearls in water as this will weaken the silk thread.
From time to time, check the clasps or screws holding your jewelry together. With frequent wear, even well cared for pearls may loosen and they will require restringing.