1 citations
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January 1997 in “Journal of Investigative Dermatology” RU58841, an androgen receptor blocker, significantly increased hair density, thickness, and length in monkeys when applied topically daily for several months.
May 2009 in “고려인삼학회 학술대회” 
24 citations
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October 2016 in “Oncotarget” Finasteride has a higher risk of reproductive side effects than minoxidil.
June 2023 in “Current Issues in Molecular Biology” DN106212, an extract from a plant, is better at promoting hair growth than other tested substances by affecting hair growth factors and follicle development.
35 citations
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September 1972 in “Journal of Biological Chemistry” Steroid hormone binding in rat skin varies with pH, heat, and hair cycle phases.
1 citations
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January 2003 in “Benjamins eBooks” Confinement in farrowing crates doesn't increase chronic stress in sows, but hair cortisol measurements may not reliably indicate stress due to hair growth variations.
4 citations
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January 2013 in “Dissolution Technologies” A method was developed to test the breakdown of Finasteride capsules, showing it can tell the difference between different brands and highlighting the need for standard tests and ingredient consistency.
January 2005 in “日本機械学會論文集. C編” Minoxidil sulfate and pinacidil promote hair growth likely by increasing blood flow, not by activating K channels.
May 2023 in “Research Square (Research Square)” The HDDPiW-jSB solution may prevent hair loss caused by docetaxel in rats when applied regularly.
15 citations
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October 2020 in “European journal of pharmaceutics and biopharmaceutics” Caffeine penetrates skin quickly through open hair follicles, but less through closed ones, with levels becoming equal after 22 hours.