19 citations
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July 2005 in “Steroids” Testosterone increases 3α-androstanediol levels, which can be blocked by finasteride.
1 citations
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October 2021 in “Clinical, Cosmetic and Investigational Dermatology” Vitamin B3 may help prevent hair loss and promote hair growth by protecting scalp cells from stress and reducing hair growth-blocking proteins.
6 citations
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August 2020 in “International Research Journal on Advanced Science Hub” The niosomal gel effectively delivers testosterone through the skin with fewer side effects.
44 citations
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January 2007 in “Biological & pharmaceutical bulletin” Black pepper leaf extract contains compounds that can block testosterone effects and promote hair growth.
April 2025 in “Journal of Cosmetic and Laser Therapy” Microneedle delivery of platelet-rich plasma may be slightly better for hair regrowth than intradermal injection.
July 2025 in “JOJ Dermatology & Cosmetics” Both treatments improved hair quality and thickness equally, with mild side effects.
25 citations
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January 2017 in “Steroids” Allopregnanolone increases growth and changes gene activity in human brain cancer cells.
24 citations
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July 1980 in “Journal of Toxicology and Environmental Health” High doses of norethindrone acetate in rats caused various organ changes but didn't significantly increase tumor rates.
March 1998 in “Journal of dermatological science” Protease Nexin-1 is found in human hair growth cells and is affected by male hormones.
May 2015 in “Journal of The American Academy of Dermatology” Niosomal minoxidil, when applied topically, increases hair count more than conventional minoxidil solution.
April 2011 in “Cancer Research” 20(S)-Protopanaxadiol-aglycone may help prevent and treat prostate cancer by reducing androgen receptor activity.
25 citations
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March 2004 in “Regulatory Toxicology and Pharmacology” Using testosterone-stimulated weanling rats can effectively replace castrated rats for anti-androgen testing, reducing animal stress.
3 citations
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November 2018 in “Journal of cellular physiology” Serenoa repens and N-acetyl glucosamine/milk proteins complex may help with hair growth and prevent hair loss.
February 2025 in “Archives of Dermatological Research” Polynucleotides effectively promote hair regrowth in androgenetic alopecia without serious side effects.
January 2025 in “RSC Advances” The new delivery method for finasteride using nanoparticles may improve hair growth without skin issues.
2 citations
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January 2020 in “International Journal of Cosmetic Science” Niacinamide does not promote hair growth.
January 2023 in “Dermatologic Therapy” The nutritional supplement Pilopeptan® WOMAN improved hair growth and thickness in women with hair loss.
3 citations
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May 2018 in “Italian journal of dermatology and venereology” The lotion with N1-methylspermidine and Sandalore® effectively reduces hair loss and promotes hair growth.
January 2026 in “JPRAS Open” PDLLA scalp injections improved hair regrowth in most patients with non-scarring alopecia.
August 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Optimized microneedles promote hair regrowth better than minoxidil without safety risks.
19 citations
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May 2016 in “Clinical, cosmetic and investigational dermatology” FGF-2&D/P nanoparticles can help treat hair loss.
27 citations
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September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
February 2024 in “Molecules/Molecules online/Molecules annual” NMN could potentially treat hair loss by reducing oxidative stress and improving cell health.
1 citations
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September 2018 in “Plastic and reconstructive surgery. Global open” Combining nanofat with PRP is more effective than PRP alone for treating male hair loss.
9 citations
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August 2005 in “Experimental Dermatology” Modified pep7, named EPM peptide, effectively promotes hair growth at low concentrations and works well with minoxidil.
12 citations
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March 2018 in “Analytical chemistry” Researchers created a new method to measure brain steroids, finding higher levels of certain steroids and changes due to a drug.
18 citations
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January 2002 in “Chemical & pharmaceutical bulletin/Chemical and pharmaceutical bulletin” New pregnane derivatives were more effective than finasteride at inhibiting a key enzyme for male pattern baldness.
August 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Machine learning optimized microneedles promote hair regrowth better than minoxidil without safety risks.
1 citations
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May 2023 in “International Journal of Applied Pharmaceutics” Placenta extract in novasomes improved rat hair growth better than minoxidil and placenta extract in liposomes.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)”