Do you know why we ask questions, because all depends upon your age. Just stop on starting stage. Age is mainly the concern for white hair. If you are 25 age 100% change to turn your white hair to black naturally with Black Men Hair Oil & needs to follow Do's and Don'ts.
Maximum age limit to whom you like to turn your white hair to black age are 35. So don't think too much.
# grey hair to black hair
# stop hair fall
# grow new hair
# grow long & thick hair
100% Naturall & 100% Ayourvedic