4 citations,
January 2016 in “Skin research and technology” Oxidative hair dye changes hair color and structure but doesn't weaken it.
17 citations,
September 2005 in “International Journal of Dermatology” African hair is more fragile due to its unique shape and internal structure.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
2 citations,
January 2010 Tianzhu white yak hair varies in structure and density between fuzz and coarse hair.
April 2019 in “Journal of Investigative Dermatology” Skin grafts from related donors significantly healed chronic wounds in patients with a severe skin condition over a year.