The causes of dark sideburns usually include hyperpigmentation, seborrheic keratosis or melanoma, etc., which need to be treated as soon as they are found.
1. If affected by sunlight or other irritating factors, it will cause localized melanin deposition in the skin, and gradually spread to the forehead, cheeks, ears and temporal area, which will lead to the phenomenon of dark sideburns.
2. Seborrheic keratosis is a common benign epidermal tumor, also known as age spots, which is usually associated with skin aging and genetic factors, can be manifested as a round, ovoid brown or black plaque, can also show the temples of the skin black.
3. Melanoma is a kind of malignant tumor, mainly occurring in the skin or skin-mucous membrane junction, which is usually associated with long-term exposure to sunlight, when it occurs in the temples, melanocyte malignancy will lead to dark sideburns.
Black sideburns may also be caused by other reasons, it is recommended to consult a doctor in time to clarify the cause of the disease under the guidance of the doctor for symptomatic treatment.