Why does Omega's rose gold turn yellow?

Omega's rose gold may turn yellow for the following reasons:

1. oxidation: the rose gold necklace will be worn for a long time, which will accelerate the oxidation phenomenon after contacting with sweat, leading to its gradual discoloration.

2. Corrosion: Rose gold will react with shampoo, cosmetics, detergents and other products to change color.

3. Fading: The color of rose gold surface is usually electroplated, which may fade when worn, revealing its original color.

These are the reasons why Omega rose gold turns yellow. I hope it helps you. If you need further confirmation, I suggest you consult a professional.