Cool Why Do White People's Hair Change Color 2023. As we grow older, black, brown, blonde or red strands lose their youthful hue. White and gray hairs may start to grow at any age, and may be caused by a range of different.

Web according to iflscience, this is due to changes in the production of melanin—the natural pigments responsible for hair, eye, and skin color. As we grow older, black, brown, blonde or red strands lose their youthful hue. But just why eumelanin production ramps up (or why those.