Answer:
1.When the production of this pigment slows down, hair turns gray or white.
2.If the hair can stretch to its full length with a comb or brush without snapping, that's a good indication of healthy hair
3.As we get older, the pigment cells in our hair follicles gradually die. When there are fewer pigment cells in a hair follicle, that strand of hair will no longer contain as much melanin and will become a more transparent color like gray, silver, or white as it grows. As people continue to get older, fewer pigment cells will be around to produce melanin. Eventually, the hair will look completely gray.
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