April 2020 in “Journal of the Endocrine Society” A woman's high testosterone and related symptoms were caused by overactive cells in her ovaries.
April 1999 in “Therapeutische Umschau” Hair loss and excessive growth treated with various options, including new laser technology.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The reconstructed skin model from hair follicles functions like human skin in processing chemicals and can be used to test ingredient safety.
April 2015 in “Andrology” HNG may help prevent the negative effects of chemotherapy on sperm production and white blood cell counts.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
13 citations
,
September 2022 in “Biomolecules” The research confirms that Hidradenitis Suppurativa is characterized by increased inflammation, disrupted skin cell organization, and abnormal metabolic processes.
May 2022 in “Journal of Immunology” A parasite molecule can speed up skin healing and reduce scarring.
September 2025 in “Radboud University Press eBooks” AHR ligands could treat inflammatory skin diseases.
2 citations
,
April 2008 in “PubMed” A gene mutation causes monilethrix in a Chinese family.
46 citations
,
July 1974 in “The Journal of Clinical Endocrinology & Metabolism” Low estrogen and high testosterone may cause excessive hair growth in women.
2 citations
,
December 2020 in “Developmental cell” Chemotherapy drugs can cause abnormal growth and changes in healthy skin and gland cells.
42 citations
,
October 2004 in “Experimental and Clinical Endocrinology & Diabetes” The main cause of excessive hair growth in Turkish women is Polycystic ovary syndrome, but in about one fifth of cases, the reason for high male hormone levels is unknown.
33 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings”
6 citations
,
February 2013 in “Medical Oncology” Certain genetic variants increase the risk of resistance to hormone therapy in prostate cancer patients.
4 citations
,
January 1997 in “EXPERIMENTAL ANIMALS” Histamine and its enzyme may help start hair regrowth.
2 citations
,
December 2025 in “Nature Communications” H2AK119ub helps keep hair follicle stem cells in a resting state, preventing early aging.
9 citations
,
February 2018 in “Journal of The American Academy of Dermatology” Researchers developed a new method using methylene blue staining to more accurately identify the growth stage of human hair follicles.
7 citations
,
September 2022 in “Communications biology” Omega-6 fats in certain cells boost male hormone production.
September 2021 in “Yearbook of pediatric endocrinology” Stress hormone stops a growth signal and keeps hair stem cells inactive, reducing hair growth.
277 citations
,
February 2013 in “Science Signaling” Mitochondrial reactive oxygen species are essential for skin and hair development.
September 2021 in “Research Square (Research Square)” Certain hormone levels can help diagnose P450 oxidoreductase deficiency.
37 citations
,
January 1993 in “Journal of Investigative Dermatology”
A 73-year-old woman's unusual hair loss and growth led to the discovery of a rare condition causing too much testosterone, which improved after her ovaries were removed.
June 2025 in “JCEM Case Reports” False high testosterone levels were corrected using a more accurate test.
4 citations
,
April 1986 in “Cancer Letters” GSH-T levels in hair follicles are similar in smokers and non-smokers and don't increase with certain treatments.
Mutations in the hairless protein gene cause hair loss.
95 citations
,
August 2013 in “Journal of Investigative Dermatology” HPT axis hormones boost mitochondrial function and growth in hair follicles, potentially aiding hair health.
3 citations
,
January 1992 in “Gynecological Endocrinology” 3α, 17β-androstanediol-glucuronide is not a useful marker for androgen excess but may help monitor certain treatments.
May 2026 in “International Journal of Molecular Sciences” Hydroxytyrosol may help treat hair loss by reducing inflammation and oxidative stress.
A 22-year-old woman with a rare genetic condition was successfully treated to develop normal female characteristics and regular menstruation.