34 citations,
December 1988 in “Pigment Cell Research” Melanocytes appear in fetal skin early, but their development details are still unclear.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
31 citations,
April 2019 in “Journal of Cutaneous Pathology” Hair becomes gray and thin as we age, and while most hair loss in older people is due to genetics, there's a chance for gray hair to regain color under certain conditions.
43 citations,
February 2008 in “Journal of cutaneous pathology” Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.
November 2015 in “European journal of dermatology/EJD. European journal of dermatology” A 55-year-old woman with several health conditions did not see hair regrowth after a transplant.