What causes yellowish and dull skin?

Aug 24, 2022 Source: Cainiu Health
Disease description:

Recently, my friends have been telling me that my skin looks a bit yellowish and dull. What causes skin to become yellowish and lackluster?

Doctor's answer (1)
Dr. Li Ruizhi
Yellowish and dull skin may be due to inadequate nutrition, such as deficiency in vitamins and trace elements, leading to insufficient nourishment of the skin and resulting in a sallow, dark complexion. It may also be related to adverse neurological and psychological factors; long-term stress, anxiety, or lack of sleep can affect the skin, causing it to become dull and yellowish. Additionally, this condition may be associated with chronic wasting diseases such as liver disease, kidney disease, and diabetes.