dry sea cucumber has a white edible surface. Common dry sea cucumber has a layer of white stuff on its surface. This layer of white stuff is salt frost, which is a normal phenomenon. This layer of salt frost is edible, but it is not recommended because it tastes too salty.

sea cucumber belongs to marine products, so there will be a certain amount of salt in its body. After drying, these salts will form white crystals and solidify on the surface of sea cucumber, which will make the surface of sea cucumber white. Moreover, some sea cucumbers will add extra salt during processing, and the surface of this sea cucumber will be more white. Therefore, it is normal to have a layer of white on the surface of sea cucumber, so don't worry too much.