👉 Leioselasma is a type of skin condition characterized by thick, crusty skin that may appear on various parts of the body, including the face and scalp. This condition can be caused by a variety of factors, such as genetics, infections, environmental toxins, or even stress. The term "leioselasma" refers to the white or pale-colored patches that often form around the eyes and mouth, which may also appear on the skin under the chin.