The medical term for hair graying is canities. Hair turns gray (or white) when your hair follicles stop creating melanin. Melanin is the substance that gives your skin and hair color.

Finally, not all hair is in the growth phase at the same time, meaning they cannot all turn gray simultaneously. That depends on the dye used. Temporary and semi-permanent dyes should not cause ...

Hair greying can be caused by several factors such as age, genetics, stress and lifestyle habits. While age and genetics ...

dyeing and stress can make your hair go gray—and that redheads don’t. Here’s what the science says. What makes our hair turn gray? As we age, it’s normal for cells to become less active.

I'm a senior news journalist at The Senior newspaper, the leading publication bringing targeted news on issues affecting ...

Live Science, a science media outlet, has explained with the opinions of experts whether it is possible to turn gray hair back to black. A small study conducted in 2021 found that subjects' hair ...

However, in a world where aging has become a primary focus for medical research, new discoveries in the realm of hair care are turning conventional wisdom on its head. Can gray hair be reversed?