Hair from white to black first need to find the cause of hair whitening, hair whitening causes are usually late at night, vitiligo, age, etc., different reasons for different methods. 1. Staying up late: If patients stay up late for a long time, it may cause their hair to turn white, and hair from white to black is recommended to ensure enough sleep. 2. Vitiligo: Vitiligo may also lead to the patient’s hair white, hair black method is recommended under the guidance of the doctor to the treatment of vitiligo, follow the doctor’s instructions to use fluticasone propionate ointment, mometasone furoate ointment and other drugs treatment. 3. age: if the patient because of age factors lead to hair white, it is recommended through the black hair dye hair coloring to make the hair from white to black. If the patient’s hair turns gray, excluding normal age factors, it is recommended to go to the hospital in time to clarify the cause of the disease and actively carry out treatment.