How To Get Rid Of White Hair?

Heloo Dr.im 25 years old girl and i have two kids,befor 4 month i have faimly tension during this time i feel in my hair new groth like one ench whit hair bold hair im so confued becose during pregnance i have no problem no skin and no hair problem and this bold one ench whit hair im so depres so pleas tell me what can i do im already take epivite teb.