November 2022 in “Research Square (Research Square)” Seasonal changes affect hair growth genes in Angora goats, possibly influencing mohair quality.
February 2021 in “IP Indian journal of clinical and experimental dermatology” A rare non-cancerous tumor that grows like hair was found in an unusual spot, the vulva.
September 2019 in “Journal of Investigative Dermatology” The 3D-SeboSkin model effectively simulates Hidradenitis suppurativa and is useful for future research.
August 2019 in “Journal of Investigative Dermatology” The study found that tight junctions reach the top layer of the skin's stratum granulosum, not just the second top layer as previously thought.
Hair fibers degrade and change color in very basic water.
January 2015 in “Journal of Nutrition and Health” Fish oil improves hair growth in diabetic and high-cholesterol rats.
The research found that people's hair proteins vary, especially by ethnicity and body part, which could help identify individuals in forensic science.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
March 2001 in “Clinics in Dermatology” Hair disease research is a growing and evolving field in dermatology, with recent significant advances.
5 citations
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February 2007 in “Cytology and genetics” Gene expression regulates keratin production for normal hair growth.
June 2025 in “Advances in Clinical and Experimental Medicine” Keratin biomaterials could help heal wounds and regenerate tissue, but more testing is needed.
198 citations
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March 1999 in “Journal of Investigative Dermatology” Keratin 15 helps maintain tissue integrity and is reduced in activated keratinocytes.
119 citations
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August 2008 in “BMC Evolutionary Biology” KRTAP genes evolved early in mammals, leading to diverse hair traits.
115 citations
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August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
87 citations
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November 2002 in “Journal of Investigative Dermatology” 84 citations
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April 2002 in “Archives of Dermatology” Loose anagen hair syndrome may be caused by keratin gene mutations.
75 citations
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October 1999 in “Differentiation” Mouse keratin 6 isoforms have different expression patterns in various tissues.
70 citations
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March 1997 in “Journal of Investigative Dermatology” 49 citations
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April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
46 citations
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December 1998 in “Journal of Biological Chemistry” Keratin 19 forms less stable and shorter filaments than keratin 14, giving unique traits to certain skin cells.
34 citations
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January 2004 in “Genomics” A cluster of 21 keratin-associated protein genes important for hair growth was found on human chromosome 21.
23 citations
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January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
19 citations
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April 2015 in “International Journal of Molecular Sciences” The research identified genes and pathways important for sheep wool growth and shedding.
14 citations
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December 2016 in “PloS one” Keratin 26 affects cashmere goat hair growth and is influenced by various treatments.
14 citations
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March 1995 in “Journal of cell science” SV40 T antigen in hair follicles causes abnormal hair and health issues in mice.
13 citations
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December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.
7 citations
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June 2017 in “Omics” The study developed a method to analyze ancient hair proteins using very small samples.
7 citations
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May 2025 in “Journal of Biomedical Science” Keratin 6A increases skin inflammation, suggesting it could be a target for treating certain skin diseases.
7 citations
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June 2021 in “Amino acids” Human hair protein modifications could potentially indicate heart disease risk.
7 citations
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July 2019 in “Animals” The KRTAP21-1 gene affects wool yield and can help improve wool production.