Avicennia marina extract and avicequinone C can potentially promote hair growth and treat hair loss by interfering with hair loss mechanisms and boosting growth factors.
November 2013 in “Journal of Mazandaran University of Medical Sciences” Minoxidil with caffeine works better for hair loss than minoxidil alone.
August 1993 in “Journal of Dermatological Science” Testosterone metabolism in balding scalp cells may not be the main cause of hair loss.
August 2021 in “Skin appendage disorders” Two people lost hair unexpectedly after getting a common hair loss treatment with a drug called Dutasteride.
March 2005 in “Journal of The American Academy of Dermatology” Two cosmetic lotions improved hair growth and had better cosmetic effects than 2% minoxidil.
77 citations,
March 2001 in “Clinics in Dermatology” Androgenetic alopecia involves genetics, hormones, and can be treated with medications or surgery.
2 citations,
January 2004 in “Enshou saisei” Male pattern baldness is caused by certain cells in hair follicles and could potentially be treated by targeting a specific growth factor, TGF-β1.
237 citations,
December 2001 in “Urology” Blocking the enzyme 5α-reductase can shrink the prostate and help treat enlarged prostate issues.
17 citations,
May 1998 in “Steroids” Researchers developed a model to predict how well certain compounds can block an enzyme related to hair loss and prostate issues, suggesting a 50 mg dose of finasteride might be effective based on lab and body data.
416 citations,
September 1997 in “Journal of Investigative Dermatology” People with hair loss have more androgen receptors and enzymes in certain follicles, with men and women showing different patterns.
108 citations,
February 2008 in “The Journal of urology/The journal of urology” Inhibiting 5α-reductase can help reduce prostate cancer risk and improve treatment.
101 citations,
April 1994 in “Baillière's clinical endocrinology and metabolism” 5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.
72 citations,
April 2008 in “The Journal of urology/The journal of urology” Dutasteride and finasteride do not significantly affect bone density, blood fats, or blood production, but slightly lower PSA levels and minimally impact sexual function in healthy young men.
56 citations,
April 1998 in “Steroids” Finasteride reduces hair loss and treats BPH without major hormone changes, but may cause sexual dysfunction.
49 citations,
October 2017 in “Nutrients” Equisetum debile extract, especially the ethyl acetate type, may be a promising natural ingredient for anti-hair loss products.
29 citations,
September 2014 in “Current Opinion in Endocrinology, Diabetes and Obesity” Finasteride and dutasteride effectively treat hair loss in men and women, but may cause side effects like low libido and depression.
22 citations,
August 2011 in “Journal of Supercritical Fluids” Rice bran extract might help prevent hair loss.
15 citations,
January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
14 citations,
February 2018 in “Psychoneuroendocrinology” Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
12 citations,
April 2018 in “Physiology & Behavior” Finasteride raises suicide-linked aggression and stops clozapine's positive effects in schizophrenia animals.
8 citations,
June 2020 in “The Journal of Clinical Endocrinology and Metabolism” Taking 5α-reductase inhibitors with prednisolone can worsen its negative effects on metabolism.
1 citations,
April 2020 in “Journal of The American Academy of Dermatology” 5ARI treatment improves hair growth in older men with minimal side effects.
February 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 215 citations,
November 2006 in “Journal of The American Academy of Dermatology” Dutasteride more effective for hair growth, but has more side effects than finasteride.
39 citations,
April 2007 in “Therapeutic Drug Monitoring” Finasteride affects urinary steroid profiles and can potentially hide steroid abuse in sports drug testing.
35 citations,
May 1986 in “Clinics in endocrinology and metabolism” The exact cause of increased 5α-reductase activity leading to hirsutism in women is still unknown.
33 citations,
April 2015 in “Current Opinion in Endocrinology, Diabetes and Obesity” 5α reductase inhibitors treat hair loss but may cause sexual side effects and risks.
23 citations,
July 1993 in “Pharmacotherapy” Finasteride treats enlarged prostate and baldness, but may cause limited urinary improvement and sex-related side effects.
21 citations,
January 2020 in “General and Comparative Endocrinology” Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.
124 citations,
March 2012 in “JAMA” Testosterone's muscle-building effects do not require its conversion to DHT.