The causes of darkening on both sides of the cheeks may be improper sun protection, melanosis, chloasma and so on.
1. Improper sun protection: If the face is not properly protected from the sun, frequent exposure to the sun may cause skin pigmentation, leading to darkening of the cheeks.
2. Melanosis: the cause of the disease is unknown, which may be related to drugs, long-term constipation, age, exposure to chemical materials and other factors, and may be manifested as darkening of the skin on both sides of the cheeks.
3. Melasma: Melasma is caused by heredity, change of sex hormone level, etc. It is mostly manifested in yellow-brown pigmentation on both sides of the face, and staying up all night will aggravate the condition.
When the patient has the symptom of darkening on both sides of the cheeks, it is recommended to go to the hospital specialist for diagnosis and standardized treatment.