316 citations
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June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
209 citations
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September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
174 citations
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April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
162 citations
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August 2002 in “Survey of Ophthalmology” Latanoprost can make eyelashes longer, thicker, and darker.
159 citations
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July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
139 citations
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July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
134 citations
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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.
125 citations
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September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
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.
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.
91 citations
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January 2009 in “International Journal of Trichology” Different hair evaluation methods have their own pros and cons, and using multiple methods together is best for accurate hair loss diagnosis and tracking.
87 citations
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July 2018 in “Biochimica et Biophysica Acta (BBA) - Molecular Cell Research” Mice studies show that Protein Phosphatase 2A is crucial for cell growth, development, and disease prevention.
83 citations
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December 2001 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by targeting adenosine and possibly sulfonylurea receptor 2B.
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.
76 citations
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April 2013 in “PLoS ONE” Chronic stress can cause hair loss by increasing oxidative stress, but antioxidants may help.
72 citations
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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
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October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
70 citations
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March 2016 in “Urologic Clinics of North America” The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.
66 citations
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June 2010 in “Experimental Dermatology” The hair follicle is a great model for research to improve hair growth treatments.
59 citations
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July 2015 in “Journal of innovative optical health sciences/Journal of innovation in optical health science” Nanoparticles around 600-700 nm can effectively enter and stay in hair follicles for days, which may help in delivering drugs to specific cells.
59 citations
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August 1998 in “International Journal of Dermatology” Genetics and hormones cause hair loss; finasteride treats it safely.
56 citations
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June 2015 in “Nature Protocols” Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.
53 citations
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November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
51 citations
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January 2007 in “Animal Genetics” The gene for slick hair in Senepol cattle is located on chromosome 20 and may involve the SRD5A2 gene.
50 citations
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August 1999 in “Experimental dermatology” The control system for hair growth cycles is not well understood and needs more research.
49 citations
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February 2019 in “The Journal of Clinical Endocrinology and Metabolism” Use "female pattern hair loss" term, assess androgen excess, treat with minoxidil and other medications if needed.
48 citations
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May 2008 in “Drug Discovery Today: Disease Mechanisms” Hair follicles offer promising targets for delivering drugs to treat hair and skin conditions.
46 citations
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May 1986 in “Seminars in Reproductive Medicine” Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
43 citations
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November 2007 in “Dermatologic Clinics” Hair and nail changes can indicate health issues, including cancer and side effects from cancer treatments.
42 citations
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March 2018 in “PLOS Biology” Autophagy is important for human hair growth and health.