What if the coral stone surface turns white?

Under normal circumstances, there is nothing white unless the coral surface is covered with a plastic film. Normal coral will definitely fog after wearing it, that is, the gloss is not as good as before, because of human sweat and secretions. After this happens, wipe it with a clean and soft facial surface, then soak it in baby oil (Johnson & Johnson baby oil on the market can be used), and put it in a sealed bag to dry naturally, which will restore the natural luster.

PS: Looking at the picture feels a bit like dyed sea bamboo. I don't know about natural red coral. Please don't mind. I'm just looking at the photos.