University of Virginia School of Medicine researchers have discovered a little-known group of stem cells in hair follicles that could bring back lost locks, challenging some long-held beliefs. UVA’s ...

Though commonly called a “hair follicle test,” this drug test only tests clipped strands of hair, not the follicle located under the scalp. During this test, a small amount of hair is removed ...

Researchers from the University of Manchester unexpectedly discovered the link in a lab experiment where they were testing a drug to see if it boosted human scalp hair follicles in a dish.