"Two Bees in a Box" Gold-Plated Stud Earrings, Care Instructions

As is the case with all jewelry regardless of manufacturer or method of plating, alcohol-based sprays (such as perfume and hairspray), if sprayed directly on to the pieces, may over time eat away at the silver or gold plate. 

In order to preserve the original state of the jewelry, Susan Shaw suggests you simply apply your sprays before putting on any jewelry.