A loss of pigments, which makes the hair turn white.
Loss of pigment in the hair, which causes graying or whitening. It is usually part of the aging process, when it starts at the temples. White patches may occur as a result of alopecia areata or vitiligo.
Congenital (rare) or acquired whiteness of the hair. The acquired form may develop rapidly or slowly and be partial or complete.
Technical term for gray hair; results from the loss of the hair’s natural melanin pigment.