Skin ages and changes due to sun, wind, and aging, causing dryness, thinning, and hair loss.
72 citations
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November 2002 in “Journal of Investigative Dermatology” Estrogen receptor α controls hair growth cycles and skin thickness in male mice.
February 2021 in “Journal of The American Academy of Dermatology” Fibrosis in the bulge area of hair follicles can cause hair thinning in male pattern baldness, and drugs that inhibit fibrosis might help reverse this.
March 2009 in “Medical & surgical dermatology” Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.
31 citations
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April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
8 citations
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February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
12 citations
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February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
6 citations
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January 2019 in “The American Journal of Dermatopathology” The conclusion is that fat tissue in the skin is a new finding in Frontal fibrosing alopecia and may contribute to hair follicle and muscle degeneration.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
91 citations
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December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
7 citations
,
January 1990
April 2018 in “Journal of Investigative Dermatology” Older hair follicle stem cells have a reduced ability to renew themselves, leading to more hair loss.
9 citations
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June 2008 in “Springer eBooks” Understanding hair follicle structure is key for treating hair disorders and could help develop new treatments.
41 citations
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January 2001 in “Journal of Investigative Dermatology” 53 citations
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April 1985 in “Developmental Biology” Fibronectin and other basement membrane components increase during hair growth and decrease during rest.
November 2017 in “Dermatologic Therapy” A new topical solution safely reduces hair shedding by 38% on average by tightening a muscle in the scalp.
Thicker hair resists fungal damage better, and hair color doesn't affect susceptibility.
October 2014 in “Springer eBooks” Rabbit hair fibers are similar to wool and have a hollow center like feathers.
6 citations
,
July 2018 in “Advances in Clinical and Experimental Medicine” Different body parts have varying levels of certain hair follicle markers.
October 2023 in “Acta dermato-venereologica” Minoxidil and platelet-rich plasma can help turn thin hair into thicker hair in male pattern baldness.
33 citations
,
July 2007 in “Journal of cell science” Miz1 is essential for proper hair structure and growth.
Frontal hair in male pattern baldness shows reduced growth and thickness.
December 2022 in “Scientific Reports” Stem cells from whiskers can be transplanted to stimulate hair growth.
January 2022 in “Clinical Cases in Dermatology” Hypothyroidism can cause hair loss, which is often reversible with treatment.
2 citations
,
July 2020 in “Giornale italiano di dermatologia e venereologia” A woman with frontal fibrosing alopecia experienced unusual hair growth after using a specific topical lotion.
48 citations
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May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
1 citations
,
June 1998 in “Journal of Forestry Research” Mammalian hair scales change from smooth to wavy due to friction.
September 2001 in “Swiss Medical Forum ‒ Schweizerisches Medizin-Forum” Understanding hair follicle interactions can help treat male pattern baldness.