What are the common methods for removing scars?

After accidental trauma and bleeding, scars will form on the wound surface. Scars on the face will be ugly, because scars will affect a person's appearance. Now that technology is so developed, there are many ways to get rid of scars. And then what? Let's take a look. (1) Selective laser scar removal: it has a good effect on red scars such as facial acne (acne), and it is painless and difficult to recur; (2) local injection of drugs to remove scars: the curative effect is positive, but the frequency is more, and some patients have the possibility of recurrence, so other methods should be used to prevent recurrence; (3) Surgical treatment: Because most patients have scar constitution, the scar may increase after operation, and generally no surgical treatment is needed; (4) Scar removal by freezing method: the effect is positive. After treatment, the patient should go through the process of blister scabbing, and should be carefully cared after freezing, otherwise the wound infection will aggravate the scar; (5) radiotherapy: isotopes, x-rays, etc.