Finding a stray gray hair or two is an inevitable part of getting older. Here's why: Cells in your hair follicles called melanocytes produce the pigment that gives our hair its color and, as you get ...

If gray hairs are growing in faster than you'd like, you have a few options: you can buy some at-home dye and touch-up your roots at home, or you can try this remarkable wash-out root touch-up spray.