28 citations
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August 2005 in “Journal of Investigative Dermatology” TG5 helps maintain hair follicle health, while TG3 aids in hair shaft development.
27 citations
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June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
27 citations
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June 2001 in “International Journal of Dermatology” MMP-9 increase in hair follicles may lead to hair loss.
27 citations
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January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
25 citations
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March 2002 in “Scanning” Confocal microscopy is better than scanning electron microscopy for studying hair in its natural state and understanding hair products' effects.
22 citations
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January 2020 in “PeerJ” Keratin peptides in hair might help identify gender and ethnicity.
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January 1985 Water makes hair more flexible, especially the outer layer.
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April 1972 in “Journal of Steroid Biochemistry” Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.
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January 1995 in “Molecular Biology Reports” Scientists discovered two versions of a new human hair keratin gene.
20 citations
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October 2008 in “Archives of dermatological research” Angiogenin helps hair grow by stimulating cell growth and blood vessel formation.
19 citations
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December 2023 in “Journal of Investigative Dermatology” Scalp hair follicle microbes affect hair health and could be used for treatments.
18 citations
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August 2008 in “Journal of Investigative Dermatology” 17-β estradiol and prednisolone may speed up hair regrowth after chemotherapy.
17 citations
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May 2018 in “Journal of Biomedical Optics” Certain types of human hair might help ultraviolet rays reach and damage cells, possibly leading to melanoma.
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November 2020 in “In Vitro Cellular & Developmental Biology - Animal” Microfollicles can effectively model human hair follicles for research and testing.
16 citations
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July 2019 in “Biochemical and Biophysical Research Communications” CD36-expressing dermal sheath cells help form blood vessels in hair follicles, aiding hair growth.
16 citations
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November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
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August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
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October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
15 citations
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January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
14 citations
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April 2011 in “Cell Proliferation” Scientists can grow human hair follicle stem cells in a lab without changing their nature, which could help treat hair loss.
13 citations
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December 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicotinamide applied to the scalp can slow down hair growth.
13 citations
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January 2002 in “Biochemical and biophysical research communications” Interferon β from hair cells stops the growth of other hair cells.
12 citations
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January 2014 in “Cell structure and function” Different combinations of human hair keratins affect how hair fibers form.
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November 2007 in “Journal of Investigative Dermatology” CD200 is not a reliable marker for identifying stem cells in all skin types.
11 citations
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February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
11 citations
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February 1982 in “RePub (Erasmus University, Rotterdam)” Studying hair roots can help diagnose hair diseases and guide treatments.
10 citations
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February 1993 in “International Journal of Cosmetic Science” Clove, olive, and turpentine oils stop fungi from penetrating hair.
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April 2019 in “International Journal of Molecular Sciences” Kojyl cinnamate ester derivatives can promote hair growth by increasing adiponectin production in fat tissues.
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February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
8 citations
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September 2003 in “Journal of dermatological science” Substance P helps hair grow longer and faster.