210 citations,
May 2006 in “The FASEB journal” Oxidative stress causes hair to gray by damaging and killing pigment cells.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
134 citations,
September 2008 in “Lasers in surgery and medicine” Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
132 citations,
September 2009 in “Experimental Dermatology” A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.
128 citations,
January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
94 citations,
February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.
78 citations,
August 2002 in “Experimental Dermatology” Researchers developed a quick and easy way to get and grow cells from the base of human hair follicles.
55 citations,
April 2017 in “Experimental Dermatology” The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.
54 citations,
October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
51 citations,
October 2000 in “Acta dermato-venereologica” PPAR alpha may help in hair growth and could be a target for treatment.
47 citations,
December 2011 in “Experimental Dermatology” CGRP may help protect hair follicles from immune system attacks, potentially slowing hair loss.
42 citations,
January 2005 in “Applied spectroscopy” Hair from breast cancer patients shows changes in structure and composition, and a test using these changes detected cancer but also falsely identified some healthy samples as cancerous.
37 citations,
March 2010 in “British Journal of Dermatology” Oestrogen and thyrotropin-releasing hormone affect prolactin and its receptor in human skin and hair, suggesting new treatment options for related conditions.
36 citations,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
32 citations,
January 2007 in “Biological & Pharmaceutical Bulletin” Minoxidil and retinol together help hair grow.
30 citations,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
29 citations,
March 2015 in “Journal of Investigative Dermatology” Cyclosporine A promotes hair growth and prolongs the active growth phase in human hair follicles, but may work differently than in rodents.
27 citations,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
27 citations,
December 2002 in “Journal of dermatological science” Merkel cells and Langerhans cells in hair follicles are closely connected and may interact.
27 citations,
September 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Small amounts of Vitamin D3 can boost hair growth, but too much can stop it.
25 citations,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
25 citations,
April 2018 in “Electromagnetic biology and medicine” Mobile phone radiation may cause DNA damage in human ear hair follicle cells.
25 citations,
March 2017 in “Archives of Dermatological Research” Sinapic acid may help hair growth by activating a specific cell pathway.
24 citations,
January 2015 in “Annals of Dermatology” Herbal extracts may help hair grow and could be an alternative to synthetic hair loss treatments.
20 citations,
January 2003 in “Journal of oleo science” Chemical treatments and daily stresses damage hair, especially the cuticle layer.
19 citations,
December 2016 in “PLOS ONE” Early-stage skin cells help regenerate hair follicles, with proteins SDF1, MMP3, biglycan, and LTBP1 playing key roles.
19 citations,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
19 citations,
July 2012 in “Biotechnic & Histochemistry” Less AgNOR protein production is linked to hair loss.
17 citations,
December 2002 in “Biochemical and biophysical research communications” Scientists found out how a specific protein in human hair cuticles behaves and is structured.
14 citations,
July 2010 in “Experimental Dermatology” A new mutation in the HR gene causes hair loss in a specific family.