Does grey hair start out grey or does the color turn to grey after the hair has already grown?

The hair turns grey.





If you look at someones grey hair, it's exactly the same length as the rest.Does grey hair start out grey or does the color turn to grey after the hair has already grown?
it starts out grey.





pigment cells in our hair follicles gradually die and will no longer contain as much melanin Does grey hair start out grey or does the color turn to grey after the hair has already grown?
it turns to grey.
It starts out gray.