How To Remove White Hair On Beard Permanently?

Hi to all of you recently i noticed two white hair on my beard...........i m just 23 year old guy. please tell me how can i remove these hair permanently and please help me with solution which do not allow further any whitehair on my beard. i have never ever smoked please help me you the people. i asked for removing these hair by electrolysis but doctors said it is not possible on white hair. please tell me the solution