22 citations
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July 1990 in “Acta Dermato Venereologica” High levels of testosterone and dihydrotestosterone inhibit hair cell growth, while high levels of estradiol promote it.
173 citations
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May 2001 in “Human reproduction update” Oestrogens are key for bone growth during puberty in both boys and girls.
Olive leaves extract may help treat benign prostatic hyperplasia (BPH).
October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Thymic peptides can either promote or inhibit human hair growth.
October 2023 in “BMC endocrine disorders” A pineal tumor caused a boy's early puberty, which changed from peripheral to central after treatment.
October 2025 in “Proceedings of the National Academy of Sciences” Phospholipids help plant proteins move by regulating receptor interactions.
42 citations
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September 2007 in “The Journal of Clinical Endocrinology and Metabolism” The research found that polycystic ovary syndrome (PCOS) has two distinct types, with one having more severe hormone and insulin issues.
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.
September 2019 in “Journal of Investigative Dermatology” People with pattern hair loss have higher polyamine levels in the top of their head compared to the back.
2 citations
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April 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” The saw palmetto extract effectively inhibits an enzyme linked to prostate issues, showing promise for prostate health.
2 citations
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April 2007 in “Journal of Labelled Compounds and Radiopharmaceuticals” The conclusion is that tritium-labeled testosterone metabolites can be made and are better converted into dihydrotestosterone in skin cells than in prostate tissue.
1 citations
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January 2018 in “Pediatrics in review” A 7-year-old boy with a brain tumor developed early puberty, which was successfully treated with medication.
A 73-year-old woman's unusual hair loss and growth led to the discovery of a rare condition causing too much testosterone, which improved after her ovaries were removed.
November 2023 in “Materials Today Bio” Light therapy might help treat hereditary hair loss by improving hair follicle growth in lab cultures.
3 citations
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September 2021 in “Bulletin of the Korean Chemical Society” Dimeric peptide derivatives could help hair growth and treat hair loss safely.
February 2025 in “Applied Sciences” Scenedesmus deserticola JD052 extracts may help hair growth and could be a natural treatment for hair loss.
1 citations
,
September 2024 in “Journal of Clinical & Translational Endocrinology” PCOS women have more severe metabolic issues and higher androgen levels than hyperandrogenic women without PCOS.
3 citations
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September 2015 in “Plastic and reconstructive surgery/PSEF CD journals” Pulsed Electric Fields can effectively stimulate hair growth in rats.
11 citations
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July 2004 in “Journal of Investigative Dermatology” Certain tyrosine kinases may regulate hair growth and could help develop hair loss treatments.
25 citations
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May 2016 in “Molecular biology of the cell” A protein in plants needs to bind two lipids to help with root hair growth, and this process is similar across different plant species.
13 citations
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January 2020 in “Experimental Dermatology” PRP growth factor concentrations vary, no significant hair growth difference found.
36 citations
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December 2012 in “Dermatologic Surgery” Injecting platelet-rich plasma (PRP) can increase hair growth rate and density in male pattern baldness.
51 citations
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November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
January 2024 in “Journal of Cosmetics, Dermatological Sciences and Applications” Injecting a peptide-hyaluronic acid mix improved hair growth in men with hair loss and was safe.
April 2026 in “Amino Acids” Polyamines are crucial for skin tumor development, and inhibiting them can prevent tumors.
155 citations
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December 2002 in “Journal of Investigative Dermatology” Thyroid-related genes are active in skin cells and may affect autoimmune conditions.
January 2017 in “Korean Journal of Pharmacognosy” Modified red ginseng extract promotes hair growth and has antioxidant and anti-inflammatory effects.
4 citations
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March 2017 in “Al-Mi’galaẗ al-sa'udiyaẗ lī-ulum al-ḥayaẗ” Leonuri Herba alkaloids may help treat hormone-induced enlarged prostate in rats.
30 citations
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January 2001 in “Journal of the American Veterinary Medical Association” High adrenal sex hormones in dogs with hypercortisolemia can mislead adrenal hyperplasia diagnosis.
16 citations
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July 1994 in “Journal of Dermatological Science” Minoxidil sulfate and pinacidil may promote hair growth through increased blood flow, not by activating potassium channels.