Pardon me. I know you'll understand when I celebrate the fact that I got away with only the imprints of rocks all over my butt from my last trip. OK, you could actually see all the details of the rocks, but at least no blood was spilled.
Yes, you need to keep the wound moist. It's probably the scar tissue and the scabs as they're drying out.
Andy Pruitt had a good article on this. I'll see if I can find it for you but ask your doc about 2nd skin or Nexaderm type stuff. The risk of infection should be over.
Frends know gud humors when dey is hear it. ~ Da Crockydiles of ZZE.