Dullness of the skin may be due to physiological reasons such as sun exposure, work and rest disorders, etc., and may also be due to pathological reasons such as malnutrition, liver and kidney diseases.
1. Physiological reasons
(1) sun exposure: due to prolonged exposure to sunlight, may lead to increased melanin secretion in the skin, resulting in dull skin, usually should pay attention to sunscreen, to reduce skin dullness.
(2) work and rest disorders: due to fatigue, psychological factors, such as work and rest disorders, lack of sleep, can also lead to skin darkening, it is recommended to ensure adequate sleep, to develop good habits.
2. Pathological causes
(1) Malnutrition: Malnutrition may affect the metabolic function of the skin, which can also lead to dull skin, pay attention to supplemental nutrition, balanced diet.
(2) Liver and kidney diseases: chronic liver diseases can lead to metabolic disorders of the liver and kidney, resulting in dull skin, after active treatment of the original disease, dull skin will also be reduced.
If there is no improvement in skin darkness after eliminating physiological causes, it is recommended to go to the hospital in time to clarify the cause of the disease, and under the guidance of the doctor to carry out active treatment.