April 2025 in “Journal of Skin and Stem Cell” PDRN from trout sperm helps skin and hair regeneration but is costly and complex to produce.
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August 2018 in “Journal of cellular biochemistry” Acid inside cells speeds up aging and turns on aging signs in mice.
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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.
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December 1990 in “Journal of Biological Chemistry” Two specific genes are more active during hair growth in mice.
Finasteride reduces DHT levels and affects gene expression in fish, similar to its effects in humans.
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May 2015 in “Endocrinology” Manipulating 5α-reductase type 2 can affect liver fat production and glucocorticoid effects.
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September 2009 in “Psychoneuroendocrinology” Early-life neurosteroid changes affect adolescent exploration and adult behavior.
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December 2008 in “Journal of Dermatological Science” Progranulin overexpression leads to shorter, thinner hair and increased cell death in mouse hair follicles.
November 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Restoring phenylalanine levels improved skin and hair symptoms in a PKU infant.
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December 2010 in “Journal of Endocrinology” Reduced neurosteroids and growth issues can harm fetal brain development, especially in males.
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December 2000 in “International Journal of Cosmetic Science” The study created a new method to test drugs that affect hormone processing in skin.
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September 2011 in “Pain” PEA reduces pain by increasing neurosteroid synthesis in the spinal cord.
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May 2019 in “PLOS genetics” Mutations in the HEPHL1 gene cause abnormal hair and cognitive issues.
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July 1980 in “British Journal of Dermatology” Topical putrescine and spermine increased DNA synthesis in hairless mouse skin.
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April 2019 in “Scientific Reports” Higher CO2 levels help a cyanobacterium grow better by boosting photosynthesis and carbon uptake.
January 2006 in “Benzina: Revista d'excepcions culturals” Trienones are more effective at inhibiting the enzyme linked to hair loss than dienones.
January 2017 in “OPAL (Open@LaTrobe) (La Trobe University)” Collagen peptides may boost skin and hair-related gene expression.
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November 2002 in “Clinical journal of oncology nursing” Arsenic trioxide effectively treats relapsed acute promyelocytic leukemia with manageable side effects.
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February 2023 in “Applied and Environmental Microbiology” Mutants of CYP154C2 enzyme significantly improved steroid conversion efficiency.
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November 2019 in “Neuroendocrinology” Measuring 17-hydroxyprogesterone in hair can help monitor androgen levels in people with congenital adrenal hyperplasia.
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January 2009 in “PubMed” Finasteride treatment can decrease certain steroids and increase others, possibly leading to depression symptoms in some cases.
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November 2002 in “Journal of Neurochemistry” Progesterone boosts alcohol's effect on brain, finasteride counters it.
April 2019 in “Journal of Investigative Dermatology” Lichen planopilaris involves disrupted fat metabolism, increased scarring, and mast cell activity.
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December 2006 in “Annals of the New York Academy of Sciences” Green algae can break down finasteride, reducing environmental harm.
October 2022 in “Biomolecules” Allopregnanolone can reduce gut inflammation and normalize neurotransmitter levels after finasteride withdrawal.
January 2005 in “Zhongguo yaowu huaxue zazhi” The new method makes finasteride production cheaper and safer for industry.
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July 2021 in “The Journal of Sexual Medicine” Gene expression differences in PFS patients suggest a potential organic cause for symptoms.
Problems with arginine processing in hair follicles might contribute to common hair loss, and arginine supplements could help treat it.