Pearls are organic gems and they requires specific care that will protect them for a very long time. They can be harmed by contact with many chemicals found in household cleaners, perfumes, cosmetics and hair care products of all kinds.

• Never use toothbrushes, scouring pads or any type of abrasive material to clean your Pearls. Never use any “magic eraser” or other commercial cleaning pad, even those ‘safe for non-stick’ or otherwise presented as “gentle”.

• Never clean your pearls with anything containing chlorine bleach, vinegar or ammonia (including Windex). All will harm pearls. Avoid anything other that water and soap (not detergent).

• Never expose your Pearls to dish or laundry detergents, bleaches, powdered cleansers, or baking soda.

• Never use any type of ultrasonic cleaner.

• Never steam clean your Pearls.

• Never use tarnish remover or any type of jewelry cleaner advertised on TV as a miracle cleaner.

• Never store your pearls in any type of plastic bag. Plastic can emit a chemical that will cause the surface of the Pearl to deteriorate.

• Never leave your pearls around a direct source of heat such as a fireplace mantle, on top of a television set, or stove.

• Never store your Pearls in a very dry room or in a safe deposit box for a long time. Your Pearls need a little moisture like your skin so that they will not dry out!

Source: Care of Pearls