Vitamin E oil is what I used on my scars after I was attacked by a dog.
tea tree oil and exfoiliation...perform/apply daily...I had a huge scar from a knife wound...tea tree oil for 2 years...and now it is no longer visible.Chaffing scars
Don't pick the scab!
I find that when I pick the scab the scar looks worse. Let the scab come off on it's own even though its hard to resist sometimes.