Dry, flaky scalp

So I was doing the curly girl method but lately my scalp has been so so dry and flakey, especially around my hair line. And yes, I've tried clarifying, scrubbing till my fingers hurt, etc. But nothing has worked. So I started incorporating sulfates in again to hopefully help clear it up but its only been a couple days. What is the best way to get rid of a dry and flakey scalp that won't completely ruin my curls??