What is Gold-Filled EP (electroplated)?

Metal Base: Metal Copper
Color: 18K

18K Gold Electroplated Jewelry is covered with a thick layer of 18k real gold. They look alike in appearance, you can see that 18K Gold Electroplated Jewelry density and hardness are bigger than 18K gold jewelry.
Will electroplated gold tarnish?
However, just like solid gold jewelry, gold electroplated jewelry can tarnish if not cared for properly.
Here are just a few tips: Remove your jewelry before you swim in chlorine or salt water. Remove your jewelry before participating in activities that will cause you to sweat a lot. Wait to put on your jewelry until after you have applied lotion, makeup, or perfume.