How Can Scalp Scabs, Baldness With Edges Hair Loss Be Treated?

a few yrs ago, i developed scabs on my scalp/edges, i thought it was from gel i was using, so i did peel it off, and it left permanent baldness, i also had a clear liquid forming, coming out, but it was only on my edges, one side not as bad as the other. im a blk afr amer female, age 28, i stopped getting perms and went all natural since then, but i mainly keep my hair n braids with a wig over top. the rest of my hairs been growing fine but my edges wont. i need help! please give ur advice...