20 citations
,
March 2017 in “Reproductive Biology and Endocrinology” Women with PCOS have higher 5α-reductase activity, which may be linked to insulin resistance.
13 citations
,
November 2012 in “PubMed” 5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.
19 citations
,
January 2016 in “Annals of Dermatology” Dutasteride is safe and effective for treating hair loss, but may decrease libido.
41 citations
,
March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
6 citations
,
April 2017 in “Frontiers in Pharmacology” Chinese medicine may help treat hair loss by affecting genes and enzyme activity.
December 2025 in “International Neurourology Journal” Alpha-blockers and 5-alpha reductase inhibitors don't significantly increase dementia risk.
17 citations
,
February 2019 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” AKR1D1 controls glucocorticoid levels and receptor activity in liver cells.
195 citations
,
February 2007 in “The Journal of Clinical Endocrinology and Metabolism” Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.
59 citations
,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.
33 citations
,
October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces hair growth and is safe for women with excessive hair.
22 citations
,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
February 2025 in “Global Academic Journal of Pharmacy and Drug Research” Beetroot extract may help treat hair loss naturally with fewer side effects.
July 2014 in “Disease-a-Month” The document gives treatment advice for various skin conditions, like using metronidazole for perioral dermatitis and minoxidil for hair loss.
219 citations
,
October 2009 in “Steroids” 5α-reductase inhibitors, like Finasteride and Dutasteride, help manage benign prostatic hyperplasia.
15 citations
,
May 2009 in “Steroids” Certain compounds reduced hamster flank organ size by inhibiting 5α-reductase, like finasteride, without affecting androgen receptors.
May 2025 in “Skin Appendage Disorders” Frontal fibrosing alopecia can be diagnosed by examining facial areas and treated with specific medications to stop its progression.
August 2022 in “IntechOpen eBooks” The best treatment for Frontal Fibrosing Alopecia and Lichen Planopilaris combines oral and topical medications to reduce symptoms and stop hair loss.
January 2003 in “Humana Press eBooks” Dihydrotestosterone and 5α-Reductase play a role in hair loss and prostate health, and finasteride can increase hair growth in men without affecting sperm production, but it doesn't work for postmenopausal women with hair loss.
26 citations
,
April 2019 in “Journal of Cosmetic Dermatology” Herbal alternatives like saw palmetto and green tea may offer safe, effective treatment for hormonal hair loss.
5 citations
,
December 2021 in “Pediatric investigation” Testosterone undecanoate safely and effectively increased penis size in male children with 5-alpha-reductase deficiency.
June 2025 in “Pharmaceuticals” Finasteride use may increase suicidality risk, especially in young men.
4 citations
,
May 2019 in “The World Journal of Men's Health” Taking 5 alpha reductase inhibitor medication slightly increases the risk of depression, especially as you get older.
32 citations
,
September 2011 in “Journal of Neuroendocrinology” Inhibiting 5α-reductase during late pregnancy shortens gestation, reduces litter size, and harms memory in rat offspring.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” LX-38 is a safer drug option for hair loss and prostate issues without hormonal side effects.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” LX-38 is a safer drug option for treating prostate issues and hair loss without hormonal side effects.
13 citations
,
December 2012 in “Frontiers in bioscience” Vitamin D and estrogen may help protect heart and kidney health, and maintaining sufficient vitamin D levels could be especially beneficial for African Americans, postmenopausal women, and people with chronic kidney disease.
47 citations
,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
31 citations
,
January 2003 in “Dermatology” Steroidogenic isoenzymes may help improve treatments for common hair loss.
9 citations
,
August 2000 in “Journal of Periodontal Research” Finasteride reduces testosterone conversion, progesterone lessens this, and levamisole enhances finasteride's effect.
17 citations
,
October 2015 in “Medicine and Pharmacy Reports” Animal models are crucial for learning about hair loss and finding treatments.