yes you can remove the hair permanently - but that doesnt mean more hair will not turn grey over time. How many hair will you keep removing from time to time? See a qualified dermatologist and get treated for premature greying. Hope this helps.
Health Tips
(Caution: do not be lured by unrealistic claims and offers made by quacks who claim to be specialists in trichology n cosmetic sciences or even saloons. Make sure u are treated by a qualified dermatologist). Warm regards, Dr Govind Suresh Mittal, Bengaluru.