73 citations
,
June 2001 in “Endocrinology” In this study, researchers found that disrupting the PRL gene in mice led to earlier hair molting, especially in females, suggesting that PRL inhibits murine hair cycle events.
55 citations
,
July 1997 in “Clinical Endocrinology” This study found that administering growth hormone to adult men with GH deficiency increased their sexual hair scores, suggesting an auxiliary effect on androgen action in the skin.
35 citations
,
February 2012 in “Journal of The American Academy of Dermatology” This study found that finasteride (1 mg) significantly increased hair growth in all scalp regions affected by male pattern hair loss over 24 months in men aged 18 to 60, with more pronounced effects in younger men.
305 citations
,
February 2007 in “Hormone and metabolic research” This review discusses the roles of androgens and estrogens in skin functions and disorders, and highlights the use of estrogen-progestin treatments and anti-androgens in managing hirsutism and acne, without reporting new results.
187 citations
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June 1999 in “Journal of The American Academy of Dermatology” This study reported that finasteride 1 mg/day significantly increased hair growth and slowed hair loss in men with frontal scalp hair thinning over one year, and these benefits continued or improved in the second year.