hello, master. Generally, it is not effective to use external rubbing drugs of promoting blood circulation and removing blood stasis for old wounds, and it may also stimulate skin itching or produce keloids.
Suggestions:
Therefore, it is better not to use this medicine at present. If there are local discomfort symptoms at present, you can see a doctor and go to the plastic surgery department, or you can first use some Chinese herbal medicines for promoting blood circulation and resolving stagnation, such as Xiaoji Pills, and acupuncture and physical therapy will also have certain effects on it.