August 2025 in “Current Issues in Molecular Biology” Periplaneta americana extract helps hair regrowth in mice with alopecia.
5 citations
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September 2012 in “BMJ case reports” Ashwagandha may improve hormone levels and reduce hair loss in non-classical adrenal hyperplasia.
170 citations
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May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
41 citations
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March 2016 in “The Journal of Clinical Endocrinology & Metabolism” In STSD patients, the body compensates for low androgen levels by increasing another enzyme's activity.
28 citations
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March 2020 in “Journal of ethnopharmacology” Ginsenoside Rb1 slows down aging in mice by affecting cell growth, cell death, and metabolism.
26 citations
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February 2022 in “Journal of pineal research” Melatonin affects skin and hair color and protects skin cells, with potential benefits for hair growth and skin health.
26 citations
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July 2012 in “Endocrine Connections” Mitotane changes steroid breakdown, affecting cortisol availability.
23 citations
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October 2009 in “Gastroenterology” Vitamin D is crucial for bone health and preventing serious diseases.
18 citations
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October 2022 in “JCI Insight” Abnormal amino acid metabolism may worsen rosacea symptoms.
17 citations
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May 2007 in “Forensic Science Medicine and Pathology” Clozapine levels in hair reflect dosage and bind more to pigmented hair.
13 citations
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February 2021 in “Brain Sciences” Androgens improve memory in adolescent male rats by acting on brain receptors.
12 citations
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June 2022 in “International Journal of Molecular Sciences” Copper boosts cell growth in rabbit hair follicles.
9 citations
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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.
6 citations
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October 2023 in “Pharmaceuticals” Eclipta prostrata extract may help with memory and diabetes due to its antioxidant and enzyme-inhibiting properties.
3 citations
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January 2024 in “Allergy Asthma and Immunology Research” Understanding the skin's bacteria and chemicals may help manage scalp issues in atopic dermatitis.
1 citations
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April 2015 in “The FASEB Journal” Blocking androgens in male rats increased estrogen and made them more active.
April 2026 in “Cosmetics” Astragalus plants may improve skin health and have anti-aging benefits.
November 2024 in “Journal of Cosmetic Dermatology” The plant extracts may help treat hair loss by promoting hair growth and reducing DHT levels.
April 2015 in “The FASEB Journal” Blocking androgens at birth reduces sexual motivation in male rats.
April 2015 in “The FASEB Journal” Blocking male hormones in baby rats improved memory and increased weight.
81 citations
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May 2019 in “Frontiers in Endocrinology” Melatonin may improve some hormonal and inflammatory issues in women with PCOS.
44 citations
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January 2012 in “Food and chemical toxicology” Ursolic acid can shrink the prostate and lower a hormone linked to prostate growth in rats.
31 citations
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September 2020 in “Clinical endocrinology” Some antiandrogens may lower testosterone better than others, but it's unclear which is best for feminization in transgender women; more research is needed.
14 citations
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May 2020 in “Biomolecules & Therapeutics” Vanillic acid from wheat bran may promote hair growth by activating certain cell pathways and reversing hormone-related hair loss.
12 citations
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March 2017 in “Arteriosclerosis, thrombosis, and vascular biology” Testosterone helps prevent skin damage in males by acting through both estrogen and androgen pathways.
12 citations
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September 2014 in “Bone” A vitamin D receptor mutation causes rickets and affects immune responses.
5 citations
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April 2014 in “International Journal of Pediatric Endocrinology” Prepubertal girls with hypertrichosis have more sensitive androgen receptors, leading to increased body hair growth.
1 citations
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August 2022 in “Frontiers in Physiology” Finasteride may help treat kidney disease caused by a high-fat diet by reducing harmful toxins and improving gut bacteria.
September 2025 in “Deleted Journal” Blocking androgen receptors boosts macrophages' ability to clear certain bacteria.
TLR2 helps control hair growth and regeneration, and its reduction with age or obesity can impair hair growth.