Yes, try not to wear jewelry in the shower. Gong contained in cosmetics and toiletries will react with sulfur in the air, making the gold surface black. Therefore, if your beads are hollow and not closed, they will definitely turn black if they are worn in the bath for a long time. If the beads are closed, it depends on the tightness. If the water can't get in, it won't be affected in theory. However, it's dark outside, so what does it matter if it's dark inside?