Why does my scalp hurt when I touch it after a perm?

After perm scalp a touch of pain, may be with perm equipment high temperature caused by thermal burns, but also by perm agent allergy or cervical spondylosis and other reasons caused. 1. perm equipment temperature is high: in the perm often need to use perm equipment heating to promote hair styling, if the barber regulates the temperature is not appropriate, because the temperature is too high, resulting in a long time the scalp is stimulated by high temperature, easy to cause burns, it may be in the perm scalp after a touch on the pain. 2. perm allergy: common in allergic body, due to the perm agent in the chemical raw material allergy, due to scalp allergy, it may cause perm scalp after a touch of pain, but also can be accompanied by scalp redness, itching, oozing and other symptoms. 3. cervical spondylosis: if there is a history of cervical spondylosis, especially sympathetic cervical spondylosis, in perm need to be in a sitting position for a long time, and head activities will be limited, is likely to cause cervical spondylosis recurrence, resulting in neck muscle tension, stiffness, the formation of vascular nerves of the scalp part of the pulling stimulation, may cause perms after the scalp pain at the touch. If the scalp is painful when touched after the perm, if accompanied by other discomfort, it is recommended to consult a doctor as soon as possible to clarify the cause of the disease and then treat the symptoms.