1 citations
,
April 2021 in “Clinical, Cosmetic and Investigational Dermatology” Conflicting findings in androgenic alopecia are likely due to biopsy location, hair diameter diversity, and hair follicle miniaturization.
October 2024 in “Journal of the Endocrine Society” Leydig cell tumors can cause high testosterone and symptoms in postmenopausal women, and removing them improves symptoms.
October 2023 in “Journal of the Endocrine Society” A woman's increased facial hair and hair loss were caused by a rare ovarian tumor, cured by surgery.
48 citations
,
July 1993 in “Archives of Dermatological Research” Merkel cells are abundant in facial vellus hair follicles, especially during the anagen phase.
September 2019 in “IP Indian journal of clinical and experimental dermatology” Hormones and iron deficiency are linked to female pattern hair loss, and hair thinning patterns are similar across different types of this condition.
23 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” FPHL causes hair loss in women due to genetics and hormones; minoxidil and anti-androgens are treatments, and early intervention is advised.
19 citations
,
August 2008 in “Journal of The European Academy of Dermatology and Venereology” Bald areas have lower cell growth, more DNA damage, and increased cell death.
January 2023 in “Faculty of 1000 Research Ltd” Androgen loss may speed up hair greying.
835 citations
,
October 2008 in “Nature Genetics” Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.
2 citations
,
February 2025 in “Journal of Investigative Dermatology” Progenitor cells randomly decide their roles to maintain hair follicle growth.
75 citations
,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
7 citations
,
January 2010 in “Animal” Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
January 2017 in “Springer eBooks” Over 40% of postmenopausal women experience hair loss, with treatments aiming to stop further loss and possibly thicken hair.
31 citations
,
April 2015 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Androgens cause oil-producing skin cells with androgen receptors to mature and produce more oil.
3 citations
,
March 2023 in “Scientific Reports” Researchers developed a new method to test hair growth drugs and found that adult cells are best for hair growth, but the method needs improvement as it didn't create mature hair follicles.
May 2023 in “Vestnik dermatologii i venerologii” Early-stage male pattern baldness shows two types of hair loss: one on the top of the head linked to hormonal changes, and another at the back of the head. The top hair loss responds well to specific treatment, while the back hair loss does not.
July 2004 in “Indian Journal of Dermatology” Finasteride effectively and safely improves hair growth in young men with hair loss.
June 2022 in “Our Dermatology Online” Trichoscopy is essential for early detection and monitoring of female-pattern hair loss.
April 2026 in “BMJ Case Reports” Leydig cell tumors can cause high testosterone in women and are treated by removing the ovaries.
November 2022 in “Journal of the Endocrine Society” A woman's small ovarian tumor causing high androgen levels was missed by several scans but found during surgery.
November 2025 in “Skin Appendage Disorders” Fibrosis contributes to hair loss in androgenetic alopecia, and targeting it may improve treatment.
22 citations
,
April 1972 in “Journal of Steroid Biochemistry” Beard hair follicles convert testosterone to 5α-dihydrotestosterone most intensively.
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.
3 citations
,
January 2021 in “touchREVIEWS in Endocrinology” Surgery removed an ovarian tumor, improving her symptoms and normalizing testosterone levels.
September 2006 in “Fertility and Sterility” Heavier birth weight may increase the risk of early hair graying in women.
1 citations
,
July 2018 in “Elsevier eBooks” Heredity and hormones cause common hair loss, and topical minoxidil is the first recommended treatment.
September 2016 in “Journal of Dermatological Science” Certain factors can start hair growth in adult skin by making cells communicate and form new hair follicles.
December 2023 in “JEADV Clinical Practice” Brownish halos around axillary hair can help diagnose frontal fibrosing alopecia.
4 citations
,
December 2019 in “Dermatologic Therapy” Hair enzyme activity predicts minoxidil success in Brazilian women with hair loss.
September 2021 in “Conference Proceedings” Older men with high total testosterone might not show symptoms, while younger men with hyperandrogenism may experience hair loss or acne.