22 citations
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May 2019 in “Animals” High hair cortisol levels indicate stress in cows due to poor shelter conditions and health issues.
12 citations
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February 2010 in “Journal of The American Academy of Dermatology” A cancer drug caused unusual hair growth on a 100-year-old man's scalp and eyelashes.
10 citations
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March 1973 in “Journal of Investigative Dermatology”
1 citations
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July 2018 in “Elsevier eBooks” Triple horizontal scalp biopsies are 98% accurate in diagnosing hair loss, better than single biopsies.
19 citations
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January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
July 2023 in “Research journal of pharmacy and technology” The hair tonic with Capsicum frutescens extract helps hair grow in male rabbits.
research Hair
1 citations
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January 2016 in “Springer briefs in molecular science” The document suggests using safer, plant-based hair products instead of harmful synthetic ones.
72 citations
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December 2011
3 citations
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July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
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.