Some lifestyle changes can improve the appearance of dark circles. Dark circles under the eyes are a common issue that many people face. These discolourations often contribute to a tired and aged appearance. While they are usually harmless, they can be bothersome. To effectively address them, it is essential to understand their potential causes. Here are some common causes of dark circles: 1. Insufficient sleepLack of sleep is a primary factor in the development of dark circles. When deprived of adequate rest, the body experiences increased blood flow, and the thin skin under the eyes can reve…