March 2021 in “International journal for research in applied science and engineering technology” Herbal hair dyes from tannin-rich plants are effective and safer than synthetic dyes.
60 citations
,
August 2008 in “Human molecular genetics online/Human molecular genetics” A position effect on the TRPS1 gene causes excessive hair growth in humans and mice.
23 citations
,
March 1989 in “The Veterinary clinics of North America. Food animal practice” Llamas often have skin issues like mange, bacterial infections, and allergies, with some treatable by zinc.
January 2019 in “Advances in stem cells and their niches” Skin health and repair depend on the signals between skin stem cells and their surrounding cells.
214 citations
,
April 2017 in “Cell” Different small areas within hair follicles send specific signals that control what type of cells stem cells become.