research Betamethasone Activates Cultured Amelanotic Melanocytes Derived From Outer Root Sheath of Human Hair Follicle January 2008 in “Linchuang pifuke zazhi” Betamethasone activates and increases the growth of certain skin cells from hair follicles.
research Observation of Cultured Amelanotic Melanocytes from Hair Follicles by Atomic Force Microscopy January 2006 in “Chinese Journal of Dermatology” Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.