The hyperpigmentation under the skin of the scratched scar on the child’s face, fading methods include paying attention to sun protection, medication (such as hydroquinone cream, etc.), other treatments and so on. 1. Pay attention to sun protection: during the recovery period, parents need to pay attention to the care of the child to avoid long-term exposure of the scar area to ultraviolet rays, when going out, you can give the child a sun hat to minimize hyperpigmentation. 2. Medication: If necessary, you can apply medication to the scar site that has the ability to lighten hyperpigmentation, such as hydroquinone cream, azelaic acid, tretinoin, etc. But the effect varies from person to person and is not always the same. However, the effect varies from person to person, not everyone can play a lightening effect. 3. Other treatments: If the child’s hyperpigmentation is more serious and has affected the normal appearance, it can be relieved through other treatments, such as laser treatment, when the child grows up a bit. Parents are advised to bring their children to the doctor in time, strictly follow the doctor’s instructions for the appropriate treatment, and not to use drugs indiscriminately.