75 citations
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January 2014 in “Korean Journal of Urology” 5α-reductase inhibitors can cause sexual problems, higher risk of aggressive prostate cancer, and depression.
69 citations
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December 2011 in “Journal of Ethnopharmacology” Some Thai plants, especially Carthamus tinctorius, could help prevent hair loss and promote hair growth without adverse effects.
59 citations
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September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.
48 citations
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November 1992 in “Clinical Endocrinology” Long-term finasteride use doesn't change bone density or metabolism.
33 citations
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October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces hair growth and is safe for women with excessive hair.
30 citations
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August 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect hormone levels in normal men.
23 citations
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January 2001 in “Chemical & Pharmaceutical Bulletin” New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.
22 citations
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September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces dihydrotestosterone, increases testosterone, and may treat hirsutism in women.
18 citations
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October 2010 in “Bioorganic & Medicinal Chemistry Letters” New hybrid compound found to effectively prevent hair loss.
13 citations
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June 2018 in “Current Urology Reports” Hair loss drugs may cause sexual issues and infertility in men.
12 citations
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February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
12 citations
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March 1995 in “Journal of the American Chemical Society” Finasteride modifies 5-alpha-reductases through a two-step process, affecting inhibitor potency and possibly causing side effects.
7 citations
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January 2018 in “Reproduction” Inhibiting 5α-reductase increases progesterone levels in late pregnant mares.
6 citations
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August 1996 in “The Journal of Clinical Endocrinology and Metabolism” MK-386 and finasteride together effectively reduce DHT levels, potentially treating acne and male pattern baldness.
4 citations
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October 2018 in “International Braz J Urol” Taking 5-alpha reductase inhibitors does not increase the risk of breast cancer in men.
4 citations
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January 2016 in “Journal of analytical & bioanalytical techniques” The herbal hair gel could be a safe hair growth treatment with minimal side effects.
3 citations
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January 1994 in “Toxicological Sciences” Finasteride causes abnormal growth in male mice cells at high doses.
2 citations
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January 2025 in “Frontiers in Pharmacology” Purple corn extract may help reduce prostate enlargement and inflammation.
December 2025 in “Cureus” Using 5α-reductase inhibitors for hair loss may increase the risk of dry eye disease.
September 2025 in “Consilium Medicum” 5α-reductase inhibitors help manage symptoms of benign prostatic hyperplasia and may also prevent prostate cancer and treat hair loss.
January 2025 in “International Journal of Dermatology Research” Anagen grow may effectively treat hair loss by blocking testosterone and reducing enzyme activity.
May 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” The enzyme 5α-reductase is important for proper blood vessel development during the fertility-related transformation of the uterus lining.
April 2017 in “Actas urológicas españolas” 5-alpha reductase inhibitors increase the risk of sexual dysfunction in patients treating enlarged prostate but not in those treating hair loss.
January 2020 in “The Journal of Sexual Medicine” Using 5α-reductase inhibitors for hair loss can cause lasting sexual, physical, mental, and vascular health issues in men, even after stopping the medication.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Topical 5α-reductase inhibitor helps counteract hair loss and stabilize it.
12 citations
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June 2001 in “Bioorganic & Medicinal Chemistry” Changing the C-ring structure in certain compounds can make them better at blocking a specific human enzyme.
11 citations
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January 2017 in “Journal of Endocrinology/Journal of endocrinology” Female mice with disrupted 5α-reductase 1 had significant metabolic issues, including stress response problems, insulin resistance, liver fat buildup, and obesity.
41 citations
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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.
8 citations
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June 1995 in “Helvetica Chimica Acta” Compound 15a was effective in inhibiting 5α-reductase.
98 citations
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April 1997 in “The Journal of Steroid Biochemistry and Molecular Biology” Finasteride effectively blocks rat enzymes, but with varying methods and strength.