11 citations
,
October 1986 in “International Journal of Gynecology & Obstetrics” The contraceptive reduced hair growth and altered hormone levels in hirsute women.
8 citations
,
April 2014 in “Anti-Cancer Drugs” A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.
March 2019 in “Open Access Journal of Science” No conclusion was reached on how hair growth varies with blood groups.
11 citations
,
May 1990 in “Journal of Dermatological Science” Diazoxide applied to the skin can increase hair growth without harmful side effects.
March 2023 in “Pakistan Journal of Medical & Health Sciences” Vitamin D analogues can significantly help hair regrowth in Alopecia Areata patients.
February 2025 in “Animals” Hair mineral content can non-invasively monitor yak health and nutrition.
42 citations
,
February 1985 in “Journal of the American Academy of Dermatology” Excessive hair growth can be assessed by history, exam, and blood tests, and treated with medication like dexamethasone, birth control pills, and spironolactone.
December 2013 in “Open Access Macedonian Journal of Medical Sciences” A woman's excessive hair growth and high testosterone were caused by a rare ovarian tumor, which was successfully treated with surgery.
13 citations
,
January 1995 in “Postgraduate medicine” Excessive hair growth in women can be harmless or signal serious health issues, and treatment often includes medication and hair removal, with noticeable results after 3-6 months.
July 2025 in “The Egyptian Journal of Hospital Medicine” Estrogen affects hair growth, and GPER-1 levels might help identify hair loss types.
March 1997 in “Journal of Endocrinology/Journal of endocrinology” Excessive hair growth in women can be treated with medications like spironolactone and finasteride, and male-pattern baldness in women can be improved with similar treatments.
A diet of collagen and vinegar improved hair growth and scalp health in women aged 40-60 more effectively than collagen alone.
January 2015 in “Spectrum Research Repository (Concordia University)” Porcine PRP can replace FBS and may promote hair growth.
July 2021 in “CRC Press eBooks” Healthy scalp is crucial for hair growth and preventing hair loss.
17 citations
,
January 1986 in “Acta obstetricia et gynecologica Scandinavica” Spironolactone can reduce hair growth and testosterone in hirsutism, but is less effective than combined treatments.
1 citations
,
July 2022 in “Functional foods in health and disease/Journal of functional foods in health & disease” Taking a probiotic supplement twice a day improved hair growth, skin hydration, and metabolic health in adults at risk of metabolic syndrome.
November 2025 in “Frontiers in Pharmacology” Xiaozhi Yufa decoction may help treat hair loss by improving hair growth and reducing inflammation.
Problems with arginine processing in hair follicles might contribute to common hair loss, and arginine supplements could help treat it.
January 2002 in “NCSU Libraries Repository (North Carolina State University Libraries)” 17b-Estradiol in skin affects hair growth and tumor promotion.
December 1999 in “Evidence-based obstetrics and gynecology/Evidence-based obstetrics & gynecology” Flutamide worked better than finasteride for reducing excessive hair growth in women, but had more side effects.
38 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Finasteride effectively improves hair growth and slows hair loss in men with male pattern baldness.
6 citations
,
April 1993 in “Journal of Dermatological Science” Certain substances can strongly inhibit DNA synthesis in hair cells.
January 2025 in “International Journal of Pharmacognosy and Clinical Research” The herbal scalp serum may help hair growth by reducing DHT levels.
January 2008 in “Bradford Scholars (University of Bradford)” Alopecia areata may be caused by antibodies targeting specific hair follicle proteins, hindering hair growth.
November 2022 in “Journal of Investigative Dermatology” DermaCult™ Keratinocyte Expansion Medium allows human skin cells to grow longer while keeping their ability to develop properly.
2 citations
,
August 2021 in “Photodiagnosis and Photodynamic Therapy” Using 5-aminolevulinic acid photodynamic therapy for hair loss didn't increase hair growth but slightly reduced scalp oiliness, and it was safe with mild side effects.
33 citations
,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
4 citations
,
November 2016 in “Dermatologic Therapy” Topical tretinoin may increase beard hair density.
Cinchona succirubra extract with caffeine reduces hair loss and strengthens hair.
PRP hair treatment is generally safe but may cause minor pain, bleeding, redness, and scalp tightness, and isn't suitable for everyone.