The main issue with gold belly button rings comes from those items that are only plated with gold; such jewelry should never be used in piercings even if they are healed, since after the polish goes away, the risk of developing an allergy is higher, particularly if the other metal used is nickel – the most common …
Then, what is a good metal for belly button rings?
Material – The best material for belly button rings are surgical biomedical stainless steel, silver titanium, hypoallergenic plastic BioFlex and the durable sterling silver.
Secondly, what type of jewelry is best for belly button?
Titanium is one the best materials you can buy. Solid titanium belly piercings are also used when you are getting pierced for the first time. Great choice for people with sensitive skin and nickel-allergies. Extremely durable, no discolouration, 100% nickel-free, lighter than steel.