First of all: it is basically useless for external use in the pit. Who says it's useful to cheat you into buying things or to cheat you into buying things? The following answer to your Chinese medicine is yes (it is not excluded that mysterious Chinese medicine can have this magical effect, but it is impossible for such experts to surf the Internet)

You can go to the hospital for face-to-face consultation or go to the pharmacy to buy drugs such as skin care, scar and hirudoid to prevent scar hyperplasia after burns and cuts. However, these are more effective when you are just injured. Your situation is probably useless. But talk is better than nothing. Buying a tube may dilute it a little.

The most effective thing is to do a laser beauty project (please go to the plastic surgery department of a public 3A hospital to see a doctor).