Melanosis on cheeks may be caused by genetic factors, endocrine disorders, skin damage caused by sun exposure or disease factors.
1. Genetic factors: Certain genetic factors can lead to an increase in melanin-stimulating hormones and an increase in melanin conversion in the skin, resulting in melanin precipitation, which can appear on the cheeks, limbs, trunk and other parts of the body.
2. Endocrine disorders: Long-term late nights, improper diet and other factors can lead to endocrine disorders, affecting the metabolism and synthesis of melanin, thus causing melanin to precipitate in the deeper layers of the skin, resulting in melanin deposits on the cheeks and other parts of the skin.
3. Sun exposure leads to skin damage: sun exposure, a large number of ultraviolet rays will be directly irradiated in the skin, so that the skin oxidation, resulting in increased melanin secretion, resulting in cheek melanin precipitation.
4. Disease factors: due to the destruction of most of the bilateral adrenal glands, the most characteristic manifestation is the deepening of the skin pigmentation of the whole body, which is more obvious in the exposed places, and also can appear in the cheek melanin precipitation.
When the cheek melanin precipitation, should be timely to the hospital dermatology department to identify the cause of the disease, under the guidance of a professional doctor treatment.