I Have A Problem With My Scalp I Believe The

I have a problem with my scalp I believe the follicles on my head are not the same at the top part of my scalp hair grows very well strong and healthy at the sides my hair does grow but is limited and can only grow beyond a certain point at the back of my Scalp there it is the worst it is prone to I believe dryness and yet at the same time when moisturized it is prone to itchiness and breakup I tried everything the hair grownth is uneven and when my hair fully grows out at the back it looks as if I'm balding