To the OP:
Congrats on your circumcision. Unless your doctor prescribed any ointments, I would stay away from them for the first week, except for some antisceptic creams like polysporin (or neosporin which is more oily). These will help keep the bandage from becoming part of the scar (makes it easier to change bandage without tearing the fragile scab - the real work happens under the scab, remove scab, and it needs to start again).
Vitamin-E is good, but only after the scar has closed. Apparently it reduces formation of the scar, but initially, you really want the scar tissue to form.
If there is much swelling after your have removed the bandage permanently, you may consider a small "elastic" bandage to keep some pressure on penis to help reduce swelling. (I used some lycra fabric and safety pins, it was quite comfortable and just tight enough to reduce swelling. It also protected scar/stitches from rubbing against underwear.)