Be Cautious with Vintage Jewelry Prevention is key, so keep your valued pieces in good shape by protecting them from perfume, hairspray, soap, sweat, etc. While it has been suggested that toothpaste is effective in.

As stones have a thin foil backing they must be kept dry or they will quickly deteriorate. How to Clean Vintage Rhinestone Jewelry The number one enemy of rhinestones is moisture. Even small amounts of moisture and chemicals can lead to the loosening of the foil backing over time - so don't think that because the damage isn't immediately noticeable that you're safe. If they get wet they will lose their brilliance and become dull and dark. Moisture is also a breeding ground for verdigris, which is virtually impossible to get rid of, so be vigilant in keeping your pieces dry. Aside from the moisture problem, these things can stick to stones and cause buildup that will keep your pieces from looking their best.

Dust is also abrasive to rhinestones, so store your pieces appropriately, and clean on a fairly regular basis. To clean stones dip a soft toothbrush (make sure it's soft, as hard bristles can scratch stones) in mild soapy water and shake off any excess liquid.

A window cleaner will also work as it can cut grease.