Iris Ossos works with gold-plated brass, over time it's completely normal to jewellery naturally oxidise but there are some things you can make to prevent your jewellery from tarnishing:

Avoid contact with water (especially from the sea and the pool), harsh chemicals, perfume and lotion. Your pieces also like when you take them to rest while you do certain activities like physical exercise, cleaning and sleep :)

Keep your jewellery safe in a dark and dry place when not using it, like the jewellery box you'll  receive with your purchase.

Enjoy the lifetime of your jewellery.

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