46 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting Acvr1b in mice causes severe hair loss and thicker skin.
46 citations
,
January 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice lacking Insig proteins had hair growth problems due to cholesterol buildup, but this was fixed by the drug simvastatin.
44 citations
,
April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
43 citations
,
August 2018 in “Cell Stem Cell” Hoxc genes control hair growth through Wnt signaling.
43 citations
,
June 2012 in “Lasers in Medical Science” Low-level laser treatment helped rats regrow hair faster after chemotherapy.
42 citations
,
February 2018 in “International Journal of Molecular Sciences” Minoxidil boosts hair growth by triggering growth factor release from specific stem cells.
41 citations
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November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
40 citations
,
June 2009 in “Journal of Cutaneous Pathology” AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.
40 citations
,
October 2002 in “Endocrinology” Vitamin D3 analogs can promote hair growth in mice genetically prone to hair loss.
39 citations
,
December 2013 in “Phytotherapy Research” Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.
39 citations
,
October 2013 in “Plastic and Reconstructive Surgery” Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.
37 citations
,
November 2003 in “Veterinary pathology” Hair loss in mice starts with immune cells damaging hair roots before it becomes visible.
36 citations
,
February 2018 in “British Journal of Dermatology” Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.
36 citations
,
February 2017 in “BMC Complementary and Alternative Medicine” Geranium sibiricum extract helps hair grow and is more effective than minoxidil but can be toxic in high concentrations.
36 citations
,
April 2016 in “British journal of dermatology/British journal of dermatology, Supplement” A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.
34 citations
,
January 2012 in “Journal of Dermatological Science” Hydrogen peroxide and monoethanolamine in hair dye can cause dermatitis and hair loss.
34 citations
,
June 2008 in “In vitro cellular & developmental biology. Animal” Scientists created a long-lasting stem cell line from human hair that can turn into different skin and hair cell types.
34 citations
,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
33 citations
,
September 2019 in “Dermatologic Surgery” Using a special stem cell formula on the scalp once a month for six months helped people with hair loss grow more hair.
32 citations
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February 2024 in “Growth Hormone & IGF Research” Dihydrotestosterone (DHT) stops hair growth in mice by lowering a growth factor important for hair.
32 citations
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December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” 17-β-Estradiol applied to the skin stops hair growth, while ICI 182 780 helps hair grow in mice.
31 citations
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December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
31 citations
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April 2007 in “Experimental Dermatology” Stress in mice delays hair growth and treatments blocking substance P can partly reverse this effect.
30 citations
,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
30 citations
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December 2014 in “Toxicological Research” Peppermint oil can effectively promote hair growth without being toxic.
30 citations
,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
30 citations
,
September 2003 in “Experimental Dermatology” Minoxidil helps prevent stress-caused hair loss in mice.
28 citations
,
July 2008 in “Developmental Biology” Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.
27 citations
,
May 2006 in “Biochemical and Biophysical Research Communications” Wnt-10b is important for starting hair growth and developing hair follicles.
27 citations
,
August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers found new genes involved in hair growth, which could help develop new hair treatments.