Natural pearls do not require treatment, it is perfect in its own guise.
Photo does not convey the beauty and luster...
Pearls-biogenic solid, rounded or irregular formation, extracted from the shells of some marine and river molluscs. The formation of the pearl is a protective reaction of the body of the clam for any foreign body trapped in the mantle or between the mantle and shell. According to the modern nomenclature of MMA, pearls do not belong to minerals, but it contains in its composition the mineral aragonite. Valued as a gemstone and used for the production of jewelry.
How to keep
Each time after removing the jewelry you need to lightly wipe the pearls with a moistened soft cloth. This way the surface will be cleaned of microparticles of sweat, creams and dust. If the surface of the pearl jewelry has noticeable dirt, you should wash it in soap suds, and then wipe it with a damp cloth. Pearls are negatively affected by an excess of alkali or acids, so it is advisable to use baby soap without artificial flavorings.
You can not close the pearls in the box until it is completely dry. You must first dry it for 1-2 hours at room temperature.