You have nothing to lose. There is also a cream on the market that is very helpful for reducing scars. It's a topical application. Just take some of the cream on your fingertip and rub it into the scar 2 to 3 times a day. It reduces the incident of scarring and shrinks the scars.
Many top surgeons recommend it to their patients after surgery to help reduce scaring.
It is an extract from onions, made in Germany, but is widely available here in the United States. It's available at any Drug Store. If you have problems finding it, they have a web site on the Internet. Give it a try.