The long thin white hairs on the body may be related to normal physiological phenomenon, living habits, vitiligo and so on. 1. physiological phenomenon: local skin occasionally appear a white hair, the body is no obvious symptoms, may be due to age changes and other reasons for the normal physiological phenomenon, generally do not need to deal with. 2. lifestyle habits: unhealthy diet, late at night, too much pressure, mental tension and other bad habits, affecting tyrosinase activity, the hair can not form melanin, can make the local hair white. 3. Vitiligo: If there is a slender white hair on the body, white hair around the skin on the white spots, it is likely to be the symptoms caused by vitiligo, need to be timely medical clear diagnosis. The long thin white hair can also be seen in other reasons, it is also recommended that the patient go to the hospital to do the relevant examination, clear reasons for targeted improvement.