65 citations
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May 2006 in “Journal of Structural Biology” Hair curliness is due to uneven distribution of different cortices within the hair fiber.
37 citations
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October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
8 citations
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January 2020 in “PeerJ” Alopecia Areata causes significant structural and compositional changes in hair.
3 citations
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February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
215 citations
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September 2003 in “Journal of Biological Chemistry” Vitamin D receptor and hairless protein are essential for hair growth.
5 citations
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August 2011 in “Journal of Dermatological Science” Dentin sialoprotein and phosphophoryn are present in rodent hair follicles and may help hair growth and development.
10 citations
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August 2021 in “Frontiers in cell and developmental biology” Scientists made structures that look like human hair follicles using stem cells, which could help grow hair without using actual human tissue.
February 2026 in “ACS Biomaterials Science & Engineering” Human stem cells can help grow hair for regenerative medicine.
115 citations
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November 2008 in “Proceedings of the National Academy of Sciences” Reptiles have genes similar to hair proteins, suggesting hair's genetic origins predate mammals.
93 citations
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July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
77 citations
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March 2000 in “Journal of Investigative Dermatology” The research identified six functional hair keratin genes and four pseudogenes, providing insights into hair formation and gene organization.
49 citations
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March 2004 in “Journal of Investigative Dermatology” The hHa7 gene is regulated by androgens in certain body hair, not scalp hair.
46 citations
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
11 citations
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June 2022 in “Frontiers in immunology” New protein changes may be involved in the immune attack on hair follicles in alopecia areata.
7 citations
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January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” VEGF helps squamous cell carcinoma grow in ways beyond just blood vessel formation.
73 citations
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October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
788 citations
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February 2007 in “Nature” The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.
132 citations
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January 2017 in “International Journal of Molecular Sciences” Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.
85 citations
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January 1990
72 citations
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April 2008 in “Organogenesis” Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.
68 citations
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July 2011 in “Journal of Biochemistry/The journal of biochemistry” New LPA receptors (LPA4, LPA5, LPA6) have diverse roles in the body.
66 citations
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January 2017 in “Acta dermato-venereologica” Isotretinoin's effects and side effects, like birth defects and depression, might be due to it causing cell death in various cells.
48 citations
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February 2013 in “Molecular and Cellular Endocrinology” The protein StAR is found in 17 different organs and can affect hair loss and brain functions, but its full role is not yet fully understood.
36 citations
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November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
25 citations
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December 2018 in “Journal of Investigative Dermatology” TRPV4 slows hair growth by affecting hair follicle cells.
22 citations
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April 2020 in “Scientific reports” Changthangi goats have specific genes that help produce Pashmina wool.
19 citations
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April 2015 in “Developmental Dynamics” The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.
12 citations
,
September 2018 in “Naturwissenschaften” Melatonin treatment increases a specific RNA in goat cells that boosts cashmere growth.