Take some antibiotics to prevent infection before removing stitches, and you don't need an injection.
No food can obviously accelerate healing. Some animal protein can be supplemented appropriately. Western medicine can be avoided. If you are really worried, you can avoid spicy food.
As long as the skin suture is strict, no obvious scar will be left, and pigmentation can be left within one year. It doesn't matter, as long as it takes a summer, it will basically be fine. Lanzhou San' ai plastic hospital