dry hair

Hey everyone, I recently started my hair natural again-- well, like 4 months ago. I have been natural for years but getting blowouts every week. I started by cutting it into a bob in August to get rid of a lot of the heat damage. In January, I got a DevaCut getting rid of most of the rest of it...

What are some good shampoos for DRY SCALP? Everytime I shampoo my hair I look at my scalp and there are white flakes and my scalp is dry its like I didn't even shampoo and when I take my comb and scratch my scalp white flakes start to come up .. All my shampoos are SULFATE free. Should I be...