White hair is characteristic of aging, but colorless hair strands can appear at any age — even while you're still in high school or college. Learn why this happens and what you can do to prevent it.

Poliosis is a rare condition where hair follicles lack pigment, often seen in piebaldism, vitiligo, and alopecia areata. It's ...

More information: Jingjing Wang et al, PIEZO1-mediated calcium signaling reinforces mechanical properties of hair follicle stem cells to promote quiescence, Science Advances (2025). DOI: 10.1126 ...

In their lab tests, researchers found depleting these stem cells at certain times halted hair growth, highlighting their essential role in hair formation and their potential link to hair loss. Based ...

Hair grays because pigment-producing cells get stuck within the hair follicle, research suggests. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...