Methods to remove melanin deposits from forehead acne marks mainly include medication and laser treatment. 1. Medication: Using some medications with antioxidant and melanin inhibiting properties in the forehead acne marks area can reduce the symptoms of melanin precipitation, such as topical retinoic acid cream, azelaic acid cream and so on. The above drugs should be used under the guidance of a doctor. 2. Laser treatment: Laser removal of melanin deposits is the use of high-intensity laser, accurately located in the pigmented areas and destroy melanin cells, without causing damage to the skin to achieve the purpose of lightening the melanin deposits. Due to the different requirements of individuals, there will be certain choices in improving melanin deposits, and you can ask your doctor to choose the treatment method in combination with your actual situation.