12 citations
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July 2015 in “Veterinary Dermatology” Microneedling helped two Pomeranian dogs with a hair growth disorder grow back 90% of their fur in 12 weeks, and the results lasted for a year.
August 2018 in “Journal of Investigative Dermatology” Humans evolved to have less hair and more sweat glands than chimpanzees and macaques.
15 citations
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July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
10 citations
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March 2015 in “American journal of primatology” Ingesting Leucaena leucocephala caused hair loss and increased infant mortality in ringtailed lemurs.
120 citations
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November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.