Pearls are softer and more delicate than other gemstones or precious metals. They should be stored separately from other jewelry or they can be scratched, nicked, cracked or otherwise damaged. Once damaged, a pearl cannot be repaired. Soft pouches and their original boxing are the best ways to store them.
Cleaning pearls is also a very careful task. Perfume, hair spray, vinegar, ink, chlorine, natural body oils and perspiration are all detrimental to your pearls' luster and brilliance; some are damaging to the pearl itself. It's best to apply perfume, hair spray and cosmetics prior to putting on your jewelry. After each wearing, your pearls should be gently wiped down with a soft cloth. Wash from time to time with MILD, nonabrasive soap and a soft cloth and let them air dry before wearing again. NEVER put your pearls into an ultrasonic!
If pearls are worn often, restringing is an important part of the care and longevity of your pearls. Make sure to have them restrung by a qualified jeweler. See also Jewelry Care.