Excessively sensitive scalp could be due to scalp inflammation caused due to diet, stress, internal hormonal imbalances or
a bacterial/ fungal infection. The symptoms could be severe itching,redness,pimples, oily scalp
, flaking, crusting causing bleeding. It could be something more serious like temporal arteritis. This is the inflammation and damage to the large blood vessels that supply the head
, usually branching in the neck from carotid artery, usually the temporal artery.