211 citations,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
71 citations,
November 2012 in “Expert Opinion on Drug Safety” 5-alpha reductase inhibitors can cause sexual side effects like erectile dysfunction and reduced sexual desire, sometimes lasting after stopping the drug.
8 citations,
April 2012 in “Korean journal of medicinal crop science/Han-gug yagyong jagmul hag-hoeji” Rosa multiflora root extract promotes hair growth and prevents hair loss.
12 citations,
June 2011 in “Han-guk sikpum gwahakoeji/Han'gug sigpum gwahag hoeji/Han-guk sikpum gwahak hoeji” Lactobacillus plantarum-fermented plant extracts promote hair growth and thickness.
223 citations,
December 2010 in “The Journal of Sexual Medicine” Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.
375 citations,
February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
38 citations,
June 2005 in “Contact Dermatitis” Patient had scalp allergy from minoxidil; test helped identify cause and suggest alternative treatments.
45 citations,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” 
236 citations,
July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
125 citations,
January 1999 in “Drugs” Finasteride effectively treats baldness but may cause sexual side effects.
192 citations,
March 1998 in “British Journal of Dermatology” Minoxidil boosts growth factor in hair cells, potentially promoting hair growth.
