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 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.
January 2022 in “Journal of Cosmetics, Dermatological Sciences and Applications” The serum increased hair density and was well-tolerated, but didn't affect hair thickness or shedding.
March 2025 in “American journal of biochemistry & biotechnology/American journal of biochemistry and biotechnology” Higher levels of certain hormones and lower levels of minerals may contribute to hair loss.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Medicinal herbs like Aloe vera and neem are beneficial for hair and skin health.
18 citations
,
September 2011 in “Livestock science” Maternal Nano-Se supplements improve fetal hair follicle development in cashmere goats.
13 citations
,
August 2007 in “Journal of Investigative Dermatology” Mouse hair can regrow in a special lab setup without serum.
2 citations
,
September 2016 in “Journal of skin and stem cell” Acne is strongly linked to high BMI, hair loss, menstrual issues, family history, and eating too many sweets and fatty foods, but not to excessive hair growth.
Seborrheic dermatitis and dandruff are often treated with antifungal and anti-inflammatory medications, which can reduce symptoms and yeast growth on the scalp.
1 citations
,
January 2015 in “Hair therapy & transplantation” Some supplements and hormones can increase hair loss by raising DHT levels.
100 citations
,
September 2017 in “Molecular and Cellular Endocrinology” Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.
7 citations
,
November 2022 in “Toxics” The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
January 2018 in “Springer eBooks” Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.
January 2012 in “Vitamins & trace elements” Smoking and drinking can lower vitamin levels and potentially trigger early hair loss, but overall vitamin levels don't seem to affect hair loss duration.
3 citations
,
July 1992 in “Clinics in Dermatology” Vitamin D helps regulate calcium levels in the body.
September 2013 in “中国医师杂志” Human scalp hair follicles grow well in Williams E medium, which may help with hair transplants.