The cost of scar repair can't be generalized, it depends on the specific situation of your scar, related to the specific situation of the scar, related to the treatment technology of the scar, and related to the hospital you choose to treat. Maintain good local hygiene, don't peel off the facial epidermis forcibly, wait until it gradually falls off by itself, drink more water, eat more fruits and vegetables, don't eat spicy food, and avoid the sun.