It usually takes about 6 months for the scar to return to normal after an abrasion. After abrasion the patient’s soft tissue is damaged, in the process of healing melanocytes will be stimulated to synthesize more melanin, which may make the scars blackened, it usually takes about 6 months to return to normal, but the specific recovery time is also related to each person’s abrasion and metabolism, and it may take longer if you have a scarred body. If the scar turns black after abrasion, you can apply ointment to promote the recovery under the guidance of the doctor, and you can also under the guidance of the doctor for laser treatment, using the principle of light and heat to make the scar be softened and the melanin be eliminated. Patients should also pay attention to sun protection in daily life, such as wearing a sun hat when going out, applying sunscreen, etc., eat more food containing vitamin C, such as oranges, tomatoes, bitter melon, etc., and it is best not to eat spicy and stimulating food, and active care, so that the scars gradually recover.