black marks on forehead

The appearance of black marks on your forehead can certainly be concerning, but there are various causes that range from benign to more serious, and determining the exact cause is crucial for appropriate management. Given that these marks appeared suddenly and vary in size, it’s possible they might be a form of hyperpigmentation. This condition is typically caused by an overproduction of melanin due to factors like sun exposure, hormonal changes, or inflammation. Since you haven’t altered your skincare routine, you might consider whether there have been any other changes, such as increased sun exposure or a new medication, that could have affected your skin. Additionally, acne or minor skin trauma in that area can sometimes lead to post-inflammatory hyperpigmentation. While your dermatologist suggested hyperpigmentation, if you’re feeling uncertain about this diagnosis, it’s perfectly reasonable to seek a second opinion or request further evaluation. Skin cancer, such as melanoma, is less common but not impossible, especially if the spots change in appearance or if you have a family history of skin cancer or other risk factors. Definitely consult a dermatologist if the spots grow, become irregular in border, or change color. In the meantime, you can protect your skin by applying a broad-spectrum sunscreen with at least SPF 30 daily, which can help prevent worsening pigmentation. Consider gentle skincare products that include ingredients like niacinamide, licorice extract, or vitamin C, known for their brightening effects. But before starting any treatment, it’s wise to get professional advice tailored to your specific condition. This ensures you’re addressing the root cause effectively without causing additional skin irritation.