Most probably you are having contact dermatitis. No treatment is successful to treat this condition unless removal of substance that is causing itching. It can be neck chain, collar of shirt etc. For more details, visit contact dermatitis.
I Have A Dry, Itchy, And Scaly Rash On My Neck. It Has Turn My Skin Black And Leathery Looking. I Have Tried Several Different Products But Nothing Helps. Can Anyone Tell Me What This Is?