i will get it done in my country at the dermatologist. he said steroid shots but i think they may be the same thing? (correct me if i'm wrong)Are you going to be in Korea to do those shots or you'll be back at home? Did he say to use kenalog?
To prevent scars, I've seen some recommend silicone sheets and/or silicone creams and massaging it. So you may want to do some research on that.
and yes! i'm using silicone creams at the moment