I agree with the above about not wrapping it.
I have had several severe injuries over the years of that nature and found the best is, as said above, to soak it by trickling water over it for 10 or so minutes per day (twice if you have the time). Use a watch because it seems like forever.
Once its had a good soak and is softened, get some gauze soaked in betadine and rub it back to bleeding. This helps the new tissue to grow back healthy. That done, then put yellow lotion, black powder, 'proud aid' or similar on the wound to help keep the proud flesh away.
If need be, you can also carefully cover all that with 'potties white cream' or equivalent. I sometimes just put the white cream over the wound if I don't have time to do the soaking and cleaning thing but it was only every now and again.
Doing this will take longer for the wound to heal but it is much more effective in my opinion.
Unfortunately I don't have photos to show the results I have had but has been very sucessful with minimal to no scarring
Only As Old As You Feel - Sometimes I Feel VERY Old