There are many reasons why 50-year-old nose hairs become white, can not be generalized to say normal or abnormal, 50-year-old nose hairs become white may be caused by age or disease reasons. 1. age reasons: with the growth of age, the body functions and absorption metabolism gradually reduced, so that the nasal vestibule of the skin follicle function degradation, resulting in single or multiple whitening, this is a normal physiological degeneration, do not need to be treated, can be improved through the usual consumption of black sesame seeds, black beans or goji berries. 2. Disease: 50-year-old nose hair white may be the cause of disease, such as vitiligo, albinism and other diseases can also lead to nose hair white, may be a single, multiple or all nose hair white. In the early stages of the disease, there will be other parts of the lesions, such as the skin surface white patches, need to go to the hospital to find a professional doctor for appropriate treatment. There are many reasons for the whitening of nose hairs at the age of 50, it is recommended to go to the hospital for a systematic examination to determine whether it is normal.