The research found that nanoparticles coated with chitosan improved the skin penetration of the drug finasteride.
March 2005 in “European Urology Supplements” 
30 citations
,
January 1997 in “Journal of Dermatological Treatment” Topical finasteride helps regrow hair and reduce balding without side effects.
January 2002 in “European Urology Supplements” Finasteride can cause sexual side effects like decreased libido and erectile dysfunction.
20 citations
,
December 2008 in “PubMed” Finasteride 1 mg helps prevent more hair loss in men with male pattern baldness.
August 2018 in “Journal of The American Academy of Dermatology” Finasteride, a hair loss drug, is linked to increased suicidal thoughts, particularly when used for hair loss.
21 citations
,
January 2017 in “Dermatology Online Journal” Finasteride and dutasteride can cause sexual problems like impotence and low libido.
June 2018 in “Evidence-Based Practice” Finasteride can double the risk of sexual problems like ejaculation issues, low libido, and impotence.
August 2023 in “International journal of impotence research” Many dermatologists believe finasteride can cause sexual side effects and counsel patients about them.
89 citations
,
February 1993 in “Journal of Medicinal Chemistry” New compounds called benzoquinolinones may treat conditions linked to excess DHT.
March 2015 in “Hair transplant forum international” Finasteride can help treat men's hair loss but may have side effects.
3 citations
,
January 2001 in “Cambridge University Press eBooks” Finasteride effectively treats hair loss and enlarged prostate in men, with mild side effects.
April 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Chronic use of 1 mg/day finasteride for hair loss may delay prostate cancer diagnosis by lowering PSA levels.
January 2026 in “Revista Colombiana de Ciencias Químico Farmacéuticas” Combining Minoxidil and finasteride is more effective for hair growth but may cause side effects.
34 citations
,
January 1998 in “European Urology” Finasteride works best in 6 months and lasts 6 years.
Adherence to finasteride treatment for prostate issues is generally low.
May 2016 in “Hair transplant forum international” The conclusion about long-term side effects of 1 mg finasteride remains unclear.
Finasteride reduces blood vessel formation in seminal vesicles.
January 2014 in “Anales Médicos de la Asociación Médica del Centro Médico ABC” The combination of oral finasteride and dutasteride with topical minoxidil effectively promotes new hair growth in most people, with minimal side effects.
December 2015 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Finasteride, a hair loss treatment, may cause long-term sexual dysfunction and depression.
2 citations
,
October 2021 in “Journal of Cosmetic Dermatology” Finasteride is more effective and satisfactory than montelukast for treating moderate acne in women.
September 2013 in “Nature Reviews Urology” May 2024 in “Reactions weekly” 
June 2011 in “Pharmacopsychiatry” Finasteride improved symptoms in a psychotic patient, but more research is needed.
November 2023 in “Expert Opinion on Pharmacotherapy” Finasteride and dutasteride are effective in treating male hair loss but can cause sexual side effects and birth defects.
23 citations
,
October 2012 in “ChemistryOpen” Probe detects finasteride with high selectivity and low detection limit.
October 2025 in “Journal of the Endocrine Society” Finasteride lowers cholesterol but doesn't reduce heart-related events.
15 citations
,
March 2020 in “Anais Brasileiros De Dermatologia” Finasteride may cause lasting sexual, mental, and physical symptoms; use with caution.
31 citations
,
January 2001 in “PubMed” November 2022 in “Journal of Education, Health and Sport” Combination therapy for hair loss can improve results and reduce side effects.