Research provides the first-ever high-resolution, cell-resolved map of the human scalp during early aging. In A Nutshell Hair ...

Immune cells rush in and signal nearby fat cells to break down, releasing natural fatty acids that "switch on" dormant hair-follicle stem cells and kick-start growth. The researchers used a topical ...

Rockefeller scientists uncovered how hair follicle stem cells can switch from growing hair to repairing skin when nutrients run low. The key lies in serine, an amino acid that activates a stress ...