Gray hair on temples may be caused by physiological factors such as aging, bad habits, etc. It may also be caused by zinc deficiency, vitiligo and other factors. It can be treated by coloring hair, improving life habits, medication and so on. 1. age: with the growth of age, the function of melanocytes gradually decline, can first appear sideburns white hair and other symptoms, is a physiological phenomenon, do not need treatment. It is a physiological phenomenon and does not need to be treated. It can be darkened by dyeing the hair. 2. Bad habits: long-term late night, mental stress, alcoholism and other bad habits can also lead to the production of gray hair, this time by improving lifestyle habits such as do not stay up all night, reduce alcohol, maintain a happy mood and other ways to ease. 3. zinc deficiency: zinc is the synthesis of melanin necessary components, zinc deficiency can lead to the production of white hair, this should be supplemented with zinc to improve the symptoms of white hair. 4. Vitiligo: is a acquired pigment loss disease, can be manifested as localized white hair, usually under the skin can be seen white spots. At this time need medication such as topical glucocorticoid cream (mometasone furoate, hydrocortisone butyrate), calcium-modulated phosphatase inhibitors (pimecrolimus, tacrolimus ointment), oral white spirit tablets and other medications, but also with the use of phototherapy, such as narrow-spectrum ultraviolet light (NB-UVB) or 308nm excimer laser, and so on. All of the above medications should be used in accordance with the doctor’s instructions. The symptoms of gray hair on the temples, you should go to the hospital in time, complete the relevant examination to clarify the cause of the disease, under the guidance of the doctor symptomatic treatment.