18k Gold turning chain is made up of 75 percent purity of gold, with the remaining 25 percent coming from a combination of alloyed mental. The gold percentage is also less likely trigger any skin conditions or reactions. You can recognize this chain by its bright and yellow appearance. It always stays shiny and does not rust or tarnish. Its the most popularly used gold in jewelry making because of its good durability and purity. You can shower with 18k gold turning chain. This chain is very affordable and is a good choice if you want a gold chain that is pure and good as you are going to get for a practical piece of jewelry.