Such layer cannot be wear off like the gold plated one, but can you shower with gold filled jewelry?
Well, the answer in this case is: yes, you can ! Owners of the gold filled jewelry may shower, bathe and swim with their favourite necklaces and bracelets on.
Can I wear gold plated jewelry in the shower?
Wearing solid gold jewelry, white gold or yellow gold, in the shower will not harm the metal itself, however it can reduce the shine therefore it is not recommended. Showering with gold plated jewelry can eventually cause the gold layer to wear off completely, therefore you should definitely refrain from doing so.