White nose hair, may be a normal phenomenon, may also be caused by pathological factors, such as albinism, vitiligo and so on. 1. Normal phenomenon: Nose hair and other parts of the hair are the same, with the increase of age, the hair follicle of melanin is less and less, nose hair may become white, is a normal phenomenon, usually do not need special treatment. 2. albinism: the cause of albinism is relatively clear, is due to certain genes such as tyrosinase-related gene mutation, melanocyte defects, can not normally synthesize melanin, may lead to local hair white. 3. Vitiligo: The cause of vitiligo is not yet completely clear, but some studies in the medical field believe that it is related to heredity, mental factors, autoimmune diseases, such as thyroid disease. If vitiligo occurs in the nose, it may cause damage to the local skin, leading to skin color loss, which may cause white nasal hair. Nasal hair whitening caused by physiological factors usually does not require special treatment. If it is suspected to be caused by certain diseases, it is recommended to go to the hospital to clarify the cause.