Caring for gold plated jewelry is very similar to caring for solid gold. The only exception is you really have to be more careful when it comes to cleaning，the tips as follows:
Use a clean soft cloth when cleaning. At all times, avoid abrasive cleaning materials. The chemical used in these cleaner are just too harsh and may result in the lost of its color and tarnish.
In some cases, the chemical may actually remove gold plated layer. If you are wearing a gold plated jewlery, make sure to take them off before you wash your hands or when doing any physical activities i.e. cleaning.
To extend its life usage, keep them in a zip bag.