January 2014 in “Journal of the Korean Society of Design Culture” The study confirmed that changes in hair structure in women with hair loss conditions matched what is taught in beauty college trichology courses.
March 2024 in “Tissue and cell/Tissue & cell” Telomerase-positive cells are mainly in the bulb matrix and outer root sheath of hair follicles.
499 citations
,
September 2011 in “Cell” Fat-related cells are important for initiating hair growth.
18 citations
,
October 2015 in “Journal of the European Academy of Dermatology and Venereology” Topical eflornithine helps maintain hair reduction after IPL therapy in women with facial hirsutism.
1 citations
,
September 2002 in “European Journal of Endocrinology” Triple H syndrome exists and can vary in symptoms.
2 citations
,
January 1984 in “Progress in neuro-psychopharmacology & biological psychiatry” Benzodiazepines changed hormone levels but did not affect hair growth in women with idiopathic hirsutism.
43 citations
,
April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
125 citations
,
September 2001 in “The FASEB Journal” Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
5 citations
,
November 2001 in “PubMed” An 80-year-old woman's severe hair loss was caused by a hormone-secreting ovarian tumor.
4 citations
,
December 2012 in “Arquivos Brasileiros De Endocrinologia E Metabologia” A postmenopausal woman's masculine symptoms improved after surgery for a hormone-producing ovarian tumor.
10 citations
,
June 2021 in “EMBO reports” When skin blisters, healing the wound is more important than growing hair, and certain stem cells mainly fix the blisters without helping hair growth.
4 citations
,
January 2021 in “Cell transplantation” Scientists found the best time to transplant human stem cells for hair growth is between days 16-18 when they have the right markers and growth potential.
5 citations
,
April 2024 in “Biology” Improving human hair follicle models is crucial for better hair loss treatments.
19 citations
,
October 1996 in “Dermatologic Clinics” Dermal papilla cells are key for hair growth and could help us understand and treat hair loss.
April 2019 in “Journal of the Endocrine Society” Glucocorticoid treatment lowered androgen levels but didn't improve hirsutism or ovulation and caused weight gain.
January 2023 in “Медицинский вестник Северного Кавказа” The patient with Hoffman's folliculitis got better with the right treatment, leading to hair regrowth.
ocu-miR-205 affects hair density in Rex rabbits by promoting cell changes that lead to more hair follicles entering resting phases.
3 citations
,
May 2016 in “Dermatology Online Journal” Changing estrogen levels during menopause might affect genes related to body rhythms and cause increased hair loss.
October 2025 in “Nepal Journal of Dermatology Venereology & Leprology” PCOS is the main cause of hirsutism, often linked to insulin resistance.
17 citations
,
February 2003 in “Australasian Journal of Dermatology” Hair loss in postmenopausal woman caused by ovarian issue.
December 2013 in “Macedonian Journal of Medical Sciences” Ovarian steroid cell tumors should be considered in adults with hirsutism and high testosterone, with surgery as the main treatment.
January 2007 in “The Year book of dermatology” Researchers successfully isolated and identified key stem cells in human hair follicles, which could help develop new skin and hair treatments.
January 2025 in “International Journal of Scientific Research” 12.5% of women with PCOS experience moderate hair loss, highlighting the need for early detection and management.
154 citations
,
October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” Estrogen affects hair growth and skin cell multiplication.
3 citations
,
May 2022 in “Experimental Dermatology” Misbehaving hair follicle stem cells can cause hair loss and offer new treatment options.
1 citations
,
March 2022 in “Journal of biological chemistry/The Journal of biological chemistry” Removing a specific gene in certain skin cells causes hair loss in mice by disrupting hair follicle development.
42 citations
,
July 2014 in “Journal of biological chemistry/The Journal of biological chemistry” Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.
August 2021 in “Pediatrics in review” The girl's hirsutism and menstrual issues were caused by a benign ovarian tumor, which was successfully removed.
3 citations
,
September 2006 in “Hair transplant forum international” Transplanting 2,800 to 4,000 hair units closely together is a complex procedure that requires preparation.
8 citations
,
April 2017 in “Journal of Dermatological Science” Hair loss is caused by the breakdown of a protein called COL17A1 in hair follicle stem cells.