109 citations
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October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
12 citations
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November 2024 in “International Journal of Molecular Sciences” Hydroxytyrosol helps reduce liver injury by blocking certain inflammation pathways.
32 citations
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April 2016 in “Journal of Investigative Dermatology” STAT5 activation is crucial for starting the hair growth phase.
14 citations
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June 1995 in “The Journal of Clinical Endocrinology and Metabolism” March 2025 in “Molecules” Tectona grandis leaf extracts, especially with propylene glycol, may be promising for topical hair loss treatments.
November 2024 in “Genomics” Melatonin boosts hair growth in cashmere goats by helping certain cells multiply.
September 2025 in “Tạp chí Da liễu học Việt Nam” 2.5 mg/mL TAC is as effective and safe as 5 mg/mL, but 5 mg/mL may improve hair regrowth and density more.
2 citations
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August 2020 in “Clinical, Cosmetic and Investigational Dermatology” The hair-growth formula with L-cystine helps protect and grow hair cells.
25 citations
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June 2017 in “Scientific reports” Stress worsens Tourette symptoms by increasing allopregnanolone levels.
April 2012 in “Informa Healthcare eBooks” Some drugs for inflammation may cause psoriasis-like hair loss.
5 citations
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October 2020 in “Brain Research Bulletin” Etifoxine, an anxiety drug, can lessen brain inflammation and cognitive issues in mice, partly by increasing production of protective brain steroids.
July 2024 in “International Journal of Molecular Sciences” The inhibitor DPP can promote hair growth.
January 2013 in “วารสารเภสัชศาสตร์อีสาน (Isan Journal of Pharmaceutical Sciences, IJPS)” Safflower extract increases melanin production in certain skin cells without harming them.
April 2026 in “The Journal of Steroid Biochemistry and Molecular Biology”
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.
5 citations
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May 2011 in “Movement Disorders” Finasteride significantly reduced tics and obsessive-compulsive symptoms in Tourette syndrome patients.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Angiopoietin-1 helps hair follicle cells survive and grow, potentially treating hair loss.
February 2018 in “The Journal of Sexual Medicine” Natesto nasal gel improves erectile function and mood in men with low testosterone within 30 days.
64 citations
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June 2010 in “Journal of The European Academy of Dermatology and Venereology” Finasteride improves hair density and thickness in women with hair loss.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
3 citations
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October 2024 in “Advances in Therapy” Triptorelin effectively treats central precocious puberty in Chinese children with minimal side effects.
27 citations
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March 2019 in “PLoS ONE” Thyroxine (T4) may help heal skin wounds by promoting new skin and blood vessel growth.
September 2021 in “Han'gug mi'saengmul saengmyeong gong haghoeji/Han-guk misaengmul saengmyeong gonghak hoeji” Tetrathelmis tetrathele extract may help prevent hair loss and improve scalp health.
June 2021 in “F1000Research” Plant-based compounds may offer safer prostate cancer treatment with fewer side effects.
12 citations
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June 2019 in “Psychoneuroendocrinology” Allopregnanolone is needed for certain brain processing issues caused by D1 dopamine receptor activation.
March 2014 in “The Journal of Urology” Finasteride increases CD8+ T cells in BPH tissues.
305 citations
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March 2008 in “AJP Endocrinology and Metabolism” SSAT is a key enzyme affecting cell growth and metabolism, with potential but risky use in disease treatment.
18 citations
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April 2016 in “Molecular Genetics and Genomics” Thymosin beta 4 may help hair growth and could be a treatment for hair issues.
17 citations
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October 2006 in “Molecular and Cellular Endocrinology” The L457(3.43)R mutation in the human lutropin receptor causes increased activity and hormone insensitivity, leading to precocious puberty.
8 citations
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November 2011 in “Journal of Medical Case Reports” Bupropion may help treat trichotillomania when fluoxetine doesn't work.