Dark spots on skin are often considered a cosmetic concern. Small, brown patches on the face, hands, shoulders and arms are dismissed as “harmless”. Certainly, most of these spots are benign and primarily linked to ultraviolet radiation. However, recent research suggests that changes in skin pigmentation can act as a warning sign for underlying liver issues. The liver is one of the most vital organs in the body, but often suffers silently. The liver plays a central role in filtering toxins, producing bile, and metabolizing hormones and nutrients. Detecting liver related skin changes can help in early intervention. Below are five essential things one needs to know about dark spots and their potential link to liver issues.