February 1990 in “PubMed” Hair follicle cells and skin cells differ in keratinization and other features.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
July 2024 in “International Journal of Molecular Sciences” The inhibitor DPP can promote hair growth.
December 2023 in “The journal of cell biology/The Journal of cell biology” The mTurq2-Col4a1 mouse model shows how the basement membrane develops in live mammals.
January 2023 in “Open Life Sciences” VEGFR-2 activation is likely involved in hair follicle growth, survival, and development.
October 2019 in “Skin appendage disorders” The vitreous membrane in hair follicles changes shape during the hair cycle and may affect hair growth and nutrient exchange.
198 citations
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June 2013 in “Molecular psychiatry” Schizophrenia patients' stem cells show abnormal neuron development and mitochondrial issues.
102 citations
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April 2014 in “PloS one” Wharton’s Jelly stem cells from the umbilical cord improve skin healing and hair growth without scarring.
67 citations
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February 1994 in “Developmental dynamics” Specific proteins and molecules play key roles in the development of human hair follicles.
63 citations
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January 1992 in “Experimental Neurology” Chickens exposed to loud noise can quickly regain hearing mostly due to repair of the tectorial membrane, not just hair cell regeneration.
57 citations
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May 2016 in “Matrix Biology” Laminin α5 is essential for skin communication and health.
43 citations
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July 2005 in “Journal of Chromatography B” A new method accurately measures hair lipids, revealing individual differences.
40 citations
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March 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.
34 citations
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January 2011 in “Annals of dermatology/Annals of Dermatology” Using a hair dryer at 15 cm with continuous motion causes less damage than natural drying.
25 citations
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September 2020 in “Molecules” Quercitrin may help treat hair loss by promoting hair growth and improving cell health.
24 citations
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January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
22 citations
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December 2013 in “Molecular biology of the cell” ILK is essential for proper hair follicle development and structure.
20 citations
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January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
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.
19 citations
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November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
16 citations
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October 2019 in “Biological & Pharmaceutical Bulletin” Houttuynia cordata extract may help hair grow by improving cell survival and increasing cell growth.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
11 citations
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April 1993 in “PubMed” Human hair cells can change based on their environment, especially interactions with certain skin cells.
10 citations
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December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
7 citations
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March 2020 in “PloS one” α-parvin is necessary for skin and hair growth and for the correct orientation of skin cells.
7 citations
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November 2004 in “International Journal of Cosmetic Science” Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.
4 citations
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March 2018 in “Daehan han'yi hag'hoeji/Journal of Korean medicine” Astragalus membranaceus helps regrow hair and reduce hair loss symptoms.
3 citations
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May 2017 in “British journal of dermatology/British journal of dermatology, Supplement” Certain cells around hair follicles help improve skin regeneration for potential use in skin grafts.
3 citations
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September 2005 in “International Journal of Cosmetic Science” Different oils penetrate hair differently; monounsaturated oils like olive oil penetrate better than polyunsaturated oils.
1 citations
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May 2013 in “PubMed” Glycylglycine makes hair softer by improving alignment and changing hair's internal properties.