Contact dermatitis can be considered to occur when the scalp is hot and painful when dyeing the hair, which is caused by the inflammatory reaction that occurs after the skin comes into contact with the chemical substance.
When dyeing hair, due to the hair dye may contain hypersensitivity reactive contact substances such as p-phenylenediamine, can lead to acute, subacute or chronic dermatitis of the scalp, mildly in contact with the site of erythema, pimples or mounds of herpes, there may be itching, burning sensation and other intense inflammatory manifestations, serious cases of erythema on the basis of the emergence of blisters, and even the whole body generalized.
Therefore, after dyeing hair scalp burning sensation, should be rinsed with a lot of water in a timely manner, and promptly go to the hospital specialist consultation, follow the doctor’s instructions standardized treatment.