October 2022 in “Benha Journal of Applied Sciences” Human Beta Defensin 1 levels do not predict the risk or severity of Alopecia Areata.
July 2026 in “Journal of the American Academy of Dermatology” Neurotrophins may contribute to genetic hair thinning by inhibiting hair growth.
3 citations
,
June 2017 in “International Journal of Radiation Biology” Gamma rays did not change hair follicle density but increased white and hypopigmented hairs in mice.
8 citations
,
March 2020 in “Frontiers in Cell and Developmental Biology” Researchers created immortal human skin cells with constant testosterone receptor activity to study hair loss and test treatments.
July 2019 in “Journal of Investigative Dermatology” The research found that male pattern hair loss is mostly genetic and involves hair thinning due to hormonal effects and changes in gene expression.
1 citations
,
September 2017 in “Journal of Investigative Dermatology” Hair care products reduced hair roughness, a combination of Stemoxydine and Resveratrol increased hair density, fermented mackerel oil promoted hair growth, and genes TERT and Bmi-1 helped create new hair follicles.
March 1998 in “Journal of Dermatological Science” Combining RU58841 and minoxidil significantly increases hair growth.
17 citations
,
August 2014 in “American Journal of Physiology-gastrointestinal and Liver Physiology” Finasteride helps brain function in rats with liver-related brain issues.
6 citations
,
October 2018 in “PLoS ONE” Stress can slow hair growth and affect skin color by impacting the body's stress response system.
5 citations
,
March 2005 in “Journal of The American Academy of Dermatology”
July 2007 in “Journal of Reproduction & Infertility” Short-term finasteride use likely doesn't harm male fertility.
September 2025 in “Sahel Journal of Life Sciences FUDMA” Chemical hair straighteners can severely damage hair and scalp with repeated use.
2 citations
,
January 2014 in “Journal of the American Academy of Dermatology” Topical minoxidil effectively promotes hair regrowth in male pattern baldness.
21 citations
,
May 2024 in “Journal of Ethnopharmacology”
22 citations
,
October 2012 in “Cell Transplantation” Cells treated with Wnt-10b can grow hair after being transplanted into mice.
January 2008 in “한국미용학회지” Certain enzymes and a growth factor were higher in mice treated with minoxidil or a peppermint and rosemary oil mix, which may be good indicators of hair growth.
12 citations
,
December 2020 in “Archives animal breeding/Archiv für Tierzucht” EDA and EDAR are important for hair follicle development in cashmere goats and affect other related genes.
January 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Researchers found key regions in the mouse hairless gene that control its activity in skin and brain cells, affecting hair follicle function.
August 2021 in “Journal of Investigative Dermatology” Stress causes hair loss by making the body produce cortisol, which stops hair cells from growing.
3 citations
,
October 2020 in “Internatuinal Journal of Radiation Research” Gamma irradiation can stimulate hair growth by promoting new blood vessel formation.
2 citations
,
January 1960 in “Australian Journal of Biological Sciences” The Naked gene in mice causes abnormal sebaceous glands and disrupts hair follicle organization.
16 citations
,
March 2009 in “Skin Pharmacology and Physiology” SEPA™ enhances the effectiveness of minoxidil in stimulating hair growth, working faster and better than Rogaine® TS, with no significant side effects.
14 citations
,
September 1999 in “Mammalian genome” The scraggly mutation causes hair loss and skin defects in mice.
23 citations
,
August 2017 in “Genome” Gene expression affects fur development in rex rabbits.
29 citations
,
February 1987 in “General and comparative endocrinology” Thyroid and gonadal hormones control seasonal hair growth and molting in male European badgers.
March 2018 in “New scientist” 52 citations
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April 2002 in “Brain Research” Lower allopregnanolone levels increase stress-related dopamine release in the brain.
April 1981 in “Pediatric research” Copper treatments increase copper in all tissues, but brindled female mice accumulate much more copper in their kidneys without clinical effects, unlike brindled male mice where brain copper deficiency is clinically significant.
8 citations
,
January 1998 in “Journal of Investigative Dermatology” Topical estrogen treatments did not change hair growth in certain mouse strains, questioning previous findings on their role in hair growth control.