18 citations
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April 2019 in “Archives of Dermatological Research” Lactoferrin helps mice grow hair by increasing cell growth and hair follicle development.
12 citations
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September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
174 citations
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April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
3 citations
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September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” CBD can either promote or inhibit hair growth depending on the concentration used.
January 2026 in “Scientific Reports” Sesamin may help treat hair loss by affecting specific cell pathways.
June 2016 in “Experimental Dermatology” Changing hair follicle identity could potentially reverse balding.
June 2023 in “SPIRE - Sciences Po Institutional REpository” Extracellular vesicles and androgen receptors may help identify prostate cancer resistance and reduce SARS-CoV-2 infection.
September 2004 in “Experimental dermatology” Melatonin directly affects mouse hair follicles and may influence hair growth.
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November 2019 in “Scientific Reports” Shikimic acid promotes hair growth.
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January 2019 in “Journal of Natural Medicines” Chaga mushrooms contain compounds that may promote hair growth better than common treatments.
9 citations
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August 2021 in “Biomedicines” 17β-estradiol boosts APE1/Ref-1 secretion in cells and mice via a calcium-dependent pathway.
19 citations
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July 2005 in “Steroids” Testosterone increases 3α-androstanediol levels, which can be blocked by finasteride.
February 2026 in “Toxicology Letters” MK-0773 is a moderate inhibitor of the SRD5A2 enzyme.
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February 1983 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Dihydrotestosterone increases the activity of an enzyme in pubic skin cells that converts testosterone to dihydrotestosterone.
56 citations
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November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
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May 2014 in “PLoS ONE” Chronic stress can reduce skin pigmentation.
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May 2022 in “Baillière's best practice and research in clinical endocrinology and metabolism/Baillière's best practice & research. Clinical endocrinology & metabolism” Androgens like testosterone are important hormones for both men and women, made differently in each sex and affecting the body by regulating genes and quick interactions with cell components.
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December 2015 in “Neuroendocrinology” Finasteride treatment changes brain steroid levels and receptors, affecting brain function even after stopping treatment.
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February 2019 in “Journal of neurochemistry” Sex hormones affect brain injury differently in males and females.
23 citations
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March 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” ATP increases melanin production in skin after UV exposure, with the P2X7 receptor being crucial for this process.
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September 2020 in “Advanced Biology” Blue-light activation of TrkA improves hair-follicle stem cells' ability to become neurons and glial cells.
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September 2021 in “International Journal of Molecular Sciences” Androgens and a high-fat diet may increase the risk of severe COVID-19 in women with PCOS by upregulating certain proteins in the heart and kidneys.
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February 2007 in “Seminars in Cell & Developmental Biology” Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.
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March 2003 in “Journal of Investigative Dermatology” 17β-estradiol can reduce inflammation in the skin.
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October 2012 in “The FASEB Journal” Bimatoprost, a glaucoma medication, may also help treat hair loss.
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August 2016 in “Scientific Reports” Cinnamomi cortex may help treat prostate enlargement by reducing related proteins.
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June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
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January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Hormonal treatment is effective for women with acne not helped by usual treatments, especially if they have hormonal imbalances.
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July 2016 in “Endocrinology” Higher Lnk protein levels in ovaries may lead to insulin resistance in women with PCOS.
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June 2020 in “BMC Molecular and Cell Biology” Stress hormone CRF can cause hair loss by affecting hair growth cells and hormones.