37 citations
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
Curly wool has more orthocortex than straight wool.
7 citations
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January 2017 in “Sub-cellular biochemistry/Subcellular biochemistry”
Modern hair styling products don't repair hair but improve its surface and stability.
A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.
New methods to classify curly hair types were developed based on shape and strength.
1 citations
,
January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
5 citations
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January 1997 in “Birkhäuser Basel eBooks” 10 citations
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June 2016 in “Cell Transplantation” Sebaceous glands can help harvest hair follicle stem cells to regenerate skin and hair.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
8 citations
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April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
January 2009 in “Chinese journal of Clinical Medicine”
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
69 citations
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January 1995 in “PubMed” Mouse melanocyte structure and function are influenced by genetics, hormones, and environmental factors.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
January 2026 in “SSRN Electronic Journal”
39 citations
,
October 2013 in “Plastic and Reconstructive Surgery” Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.
252 citations
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November 1995 in “The EMBO Journal” Blocking EGFR in mice causes hair loss and skin changes.
Gender-diverse individuals face more depression and anxiety, possibly due to unique stress profiles.
12 citations
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December 2011 December 2023 in “Modern engineering and innovative technologies” January 1999 in “Journal of Investigative Dermatology” January 2026 in “Universität Zürich, ZORA” August 2025 in “Journal of Affective Disorders” Gender-diverse people face more depression and anxiety, partly due to stress and lower cortisol levels.
21 citations
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September 1968 in “Cancer” Citrulline in certain skin tumors suggests they mimic hair growth, helping distinguish them from other cancer types.
205 citations
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April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
86 citations
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May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
30 citations
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October 2010 in “Biochemical and biophysical research communications” The Gsdma3 gene is essential for normal hair development in mice.
17 citations
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June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.