Hair how to wash all the oil, may be excessive scalp cleaning caused by, but also may be sebaceous gland secretion, seborrheic dermatitis, etc. caused by.
1. Excessive scalp cleansing: If the improper choice of shampoo, too much shampoo leads to excessive scalp cleansing, may stimulate the sebaceous glands to secrete oil, or not rinsed out, may lead to hair no matter how to wash the situation of oil.
2. Excessive sebaceous gland secretion: sebaceous glands can produce lipids, in the head, face and upper chest and dorsal distribution of more, if congenital sebaceous glands or the body of androgens and other secretion increases, may lead to increased sebum secretion, resulting in hair how to wash are oil.
3. Seborrheic dermatitis: a chronic, recurrent, inflammatory skin disease, commonly found on the head and face, chest and back and other seborrheic parts, the etiology and pathogenesis is not yet clear, and may be associated with alcoholism, diet, mental and other factors. There will be greasy flakes on the hairline and scalp, so that the hair will be oily no matter how it is washed.
If the symptoms are not relieved or accompanied by other symptoms, it is recommended to consult a doctor in time to clarify the cause, and if necessary, follow the doctor’s instructions for the appropriate treatment.