March 2023 in “Human Pathology” Hair follicle counts and ratios are helpful in diagnosing hair loss types, but should be used with other specific features for accurate diagnosis.
12 citations
,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
42 citations
,
January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
19 citations
,
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.
6 citations
,
January 2016 in “Annals of Dermatology” Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.
30 citations
,
October 2021 in “Scientific Reports” Inhibiting glycogen metabolism can promote hair growth.
13 citations
,
December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
November 2020 in “INDIAN JOURNAL OF APPLIED RESEARCH” Women with hair loss have weaker hair that breaks more easily.
43 citations
,
September 2001 in “Scanning” Hair treatments like bleaching increase friction by exposing tiny pores on the hair surface.
October 2023 in “Scientific reports” Dexamethasone affects hair growth by altering levels of proteins that either promote or inhibit hair follicle growth.
9 citations
,
June 2008 in “Springer eBooks” Understanding hair follicle structure is key for treating hair disorders and could help develop new treatments.
130 citations
,
August 2015 in “Experimental Dermatology” Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.
42 citations
,
February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.
72 citations
,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
71 citations
,
May 2007 in “The FASEB journal” Human hair follicles produce and respond to erythropoietin, helping protect against stress.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
16 citations
,
December 2016 in “ecancermedicalscience” Hair analysis may help detect breast cancer early by identifying changes in lipid content.
106 citations
,
March 2014 in “BioEssays” We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.
4 citations
,
January 2021 in “Archives of dermatological research” The study created a new model to better understand human hair growth and health.
29 citations
,
April 2020 in “Biomolecules” The 3D scaffold helped maintain hair cell traits and could improve hair loss treatments.
66 citations
,
August 2001 in “Experimental Dermatology” Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.
36 citations
,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
9 citations
,
April 2019 in “International journal of molecular sciences” Human hair grows better in a special gel that mimics skin.
October 2025 in “Records of Natural Products” Kaempferol promotes hair growth and could be a natural treatment for hair loss.
152 citations
,
January 2004 in “Current anthropology” Humans lost body hair relatively recently in evolution.
96 citations
,
April 2007 in “Journal of Investigative Dermatology” Grafted rodent and human cells can regenerate hair follicles, but efficiency decreases with age.
13 citations
,
October 2002 in “Journal of Investigative Dermatology” The upper half of a human hair follicle can grow a new hair in a mouse, but success is rare.
1 citations
,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
July 2025 in “International Journal of Dermatology Venereology and Leprosy Sciences” Examining Survivin levels may help understand premature greying of hair.