What does it mean when a girl's soles are yellow?

1. Prolonged friction: Wearing ill-fitting shoes for extended periods may cause excessive friction on the soles, leading to yellowing of the skin. 2. Thickened stratum corneum: Excessive thickening of the skin's outer layer on the feet due to inadequate moisturizing and exfoliation can also result in yellowish discoloration. 3. Poor circulation: Prolonged standing, sitting, or lack of physical activity can impair blood circulation in the feet, causing a yellowish appearance. 4. Medical conditions: Certain diseases such as jaundice-type hepatitis or bile duct obstruction may also cause skin yellowing; however, this typically affects not only the soles but other body areas as well.