November 2013 in “International Journal of Medical and Health Sciences” Doctors often miss Hair Tourniquet Syndrome, which can lead to serious damage if not treated quickly.
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
Hair restoration surgery has improved to transplant hair in natural groupings, but it's labor-intensive and can't fully restore normal hair density.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
March 2017 in “Trichology and cosmetology:” Psoriasis treatment may affect body hair growth, with a complex relationship between skin and hair growth mechanisms.
June 2022 in “Journal of Dermatology Research” Using 448-kHz Capacitive-Resistive Electrothermal Therapy can help increase hair density and prevent hair loss in women.
November 2020 in “Acta Scientific Women's Health” Low vitamin D levels can significantly contribute to hair loss, especially in women aged 35-45. Correcting these levels early may help prevent and treat this condition.
Ovol2 is crucial for hair growth and skin healing by controlling cell movement and growth.
58 citations
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October 2016 in “Journal of Investigative Dermatology” Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.
21 citations
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March 2019 in “Experimental Dermatology” Immune cells around hair follicles help control hair growth and could be targets for treating hair disorders.
76 citations
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August 2018 in “International Journal of Cosmetic Science” Dermal Papilla cells are a promising tool for evaluating hair growth treatments.
30 citations
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September 2003 in “Experimental Dermatology” Minoxidil helps prevent stress-caused hair loss in mice.
9 citations
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December 2010 in “Journal of The European Academy of Dermatology and Venereology” Latanoprost therapy potentially caused a woman's white hair to darken again.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
835 citations
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October 2008 in “Nature Genetics” Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.
240 citations
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April 2011 in “Pigment Cell & Melanoma Research” Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.
194 citations
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March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
193 citations
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Hair loss common in Australia; men affected earlier, more often than Asians; women less concerned.
165 citations
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September 2001 in “Genes & development” CDP is crucial for lung and hair follicle cell development.
152 citations
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January 2004 in “Current anthropology” Humans lost body hair relatively recently in evolution.
138 citations
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June 2012 in “Genes & Development” Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.
113 citations
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November 2017 in “Scientific Reports” Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
108 citations
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July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
101 citations
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January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
100 citations
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June 2006 in “British Journal of Dermatology” Hair loss severity relates to increased miniaturization in female pattern hair loss.
98 citations
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July 2014 in “Trends in Molecular Medicine” Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.
96 citations
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October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
94 citations
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May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
76 citations
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March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
68 citations
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November 2012 in “Journal of Investigative Dermatology” Prostaglandin D2 blocks new hair growth after skin injury through the Gpr44 receptor.