Hair serves an important cosmetic function for humans, and the hair follicle produces sweat gland products that help to control body temperature and release pheromones 3. Billions of people ...

The DHT in turn causes follicles to sprout shorter and finer hairs before eventually dying out. It also causes the growth phases of hair follicles to become shorter, and the rest phases to be longer.

University of Virginia School of Medicine researchers have discovered a little-known group of stem cells in hair follicles ...