176 citations
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August 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.
174 citations
,
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.
71 citations
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August 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.
68 citations
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May 2018 in “PLOS Biology” Cyclosporine A may help treat hair loss by blocking a protein that inhibits hair growth.
68 citations
,
March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
58 citations
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March 2019 in “Experimental Dermatology” Exosomes from human skin cells can stimulate hair growth and could potentially be used for treating hair loss.
54 citations
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April 2019 in “Journal of cellular physiology” miR-218-5p helps skin and hair growth by targeting SFRP2 and activating a specific signaling pathway.
53 citations
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January 2009 in “Journal of Investigative Dermatology” UVB radiation harms hair growth and health, causing cell death and other changes in human hair follicles.
50 citations
,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
48 citations
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June 2013 in “Journal of Dermatological Science” Valproic acid may help hair grow and could be a safe treatment for hair loss.
45 citations
,
November 2017 in “Biomaterials” Researchers found a new way to create hair-growing structures in the lab that can grow hair when put into mice.
42 citations
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July 2015 in “Cosmetics” Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
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.
40 citations
,
April 1999 in “Journal of Histochemistry & Cytochemistry” S100A3 protein is mainly found in specific parts of human hair cells.
40 citations
,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
39 citations
,
December 2011 in “PLoS ONE” Radiofrequency exposure can stimulate hair growth by increasing IGF-1 in hair follicle cells.
30 citations
,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
25 citations
,
September 2020 in “Molecules” Quercitrin may help treat hair loss by promoting hair growth and improving cell health.
25 citations
,
November 2012 in “Phytotherapy Research” Crataegus pinnatifida extract may help increase hair growth and thickness in mice.
23 citations
,
February 2015 in “International Journal of Molecular Sciences” Colchicine can inhibit hair growth by affecting cell activity and protein expression in hair follicles.
22 citations
,
February 2017 in “Clinical and Experimental Dermatology” Icariin helps mouse hair grow by boosting a growth factor in skin cells.
21 citations
,
April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
19 citations
,
November 2018 in “Nutrients” Annurca apple extract may protect mouse hair from damage by chemotherapy and could help treat hair loss without promoting cancer growth.
17 citations
,
May 2020 in “Forensic Science International Genetics” Genetically variant peptides are reliable for forensic identification despite age-related changes in hair proteins.
17 citations
,
December 2019 in “Stem Cell Research & Therapy” Grouping certain skin cells together activates a growth pathway that helps create new hair follicles.
17 citations
,
June 2014 in “Journal of Ultrasound in Medicine” Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.
16 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair color is determined by different melanins and changes with age.
14 citations
,
April 2016 in “Cell Transplantation” Neural stem cell extract can safely promote hair growth in mice.
13 citations
,
December 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Nicotinamide applied to the scalp can slow down hair growth.
13 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Researchers created a lab model to study human hair growth, showing it can grow and self-regulate outside the body.