The 50s hair white can not become black, has been white hair most will not become black. 50s hair white is normal human physiological function of the natural decline of the process, belong to the physiological changes. 50s need to pay attention to the rest and nutritional intake, adjust the mood, etc., can prevent premature hair white, slow down the speed of hair white, etc.. It is recommended to pay attention to the following points; 1. Pay attention to rest: if you stay up late for a long time, poor sleep quality, etc., it is easy to lead to premature graying of hair, too much gray hair, etc.. Pay attention to rest, maintain sufficient sleep time, can slow down the speed of hair gray. 2. Maintain a happy mood: if long-term anxiety, mental tension, excessive pressure, etc., can also lead to gray hair. It is recommended to maintain a good state of mind, avoid anxiety, etc., can be a certain degree of relief hair gray. 3. Nutritional intake: In life, also pay attention to nutritional balance, avoid eating too spicy and stimulating food. 4. other: such as albinism, diabetes, vitiligo and other diseases can lead to the production of white hair, need to actively treat the primary disease. Among them, albinism is a kind of genetic mutation, there is no drug can control. If you are over 50 years old and have gray hair, if it is caused by a disease, it is recommended to actively seek medical attention.