Age-related changes in scalp glands may affect hair health, but sulforaphane might help.
As people age, certain enzymes in scalp glands decrease, affecting hair health.
April 2026 in “Inflammation and Regeneration” AKR1C enzymes in scalp glands decrease with age, possibly affecting hair loss.
10 citations
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December 2019 in “in Vivo” Testosterone makes the connections in the uterus lining simpler and lowers certain protein levels, which might lead to infertility.
19 citations
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April 2015 in “European Journal of Pharmacology” Dihydrotestosterone (DHT) doesn't affect rat skin cell growth, but it does change cell cycle, protein levels, and other cell functions, potentially shortening hair growth cycle.
5 citations
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September 2021 in “Frontiers in Cell and Developmental Biology” Dihydrotestosterone treatment on 2D and 3D-cultured skin cells slows down hair growth by affecting certain genes and could be a potential target for hair loss treatment.
March 2023 in “International Journal of Molecular Sciences” ADSC-Exos with miR-122-5p can help treat hair loss by promoting hair growth.
54 citations
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November 2017 in “Scientific Reports” The study found that certain microRNAs are higher in the cells and lower in the fluid of women with a specific type of polycystic ovary syndrome, and one microRNA could potentially help diagnose the condition.
47 citations
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October 2016 in “Molecular and Cellular Endocrinology” Androgens prevent hair growth by changing Wnt signals in cells.
23 citations
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March 2014 in “International Journal of Molecular Sciences” Testosterone reduces knee flexibility by affecting relaxin receptors.
November 2025 in “PROGRESS IN BIOCHEMISTRY AND BIOPHYSICS” Taurine may help reduce hair loss by improving hair growth cycles.
January 2024 in “Biology of sex differences” Dihydrotestosterone makes arteries stiffer in female mice by reducing estrogen receptor expression.
September 2023 in “Middle East Fertility Society Journal” Nicotine may help treat both Parkinson's disease and infertility.
March 2023 in “Natural product sciences” Celtis choseniana may help treat hair loss by reducing androgen effects and boosting hair growth signals.
8 citations
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July 2017 in “The Journal of Steroid Biochemistry and Molecular Biology” DHT affects testicular development and regulates spermatogenesis in some fish.
April 2025 in “Journal of Investigative Dermatology” Two microRNAs in stem cell exosomes help treat hair loss by targeting a specific signaling pathway.
27 citations
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September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
September 2019 in “Journal of Investigative Dermatology” BMPs are important for hair growth and can counteract the negative effects of androgens on hair follicle stem cells.
Bone Morphogenetic Proteins (BMPs) are important for hair growth, and their decrease due to hormones could lead to hair loss, but adding more BMPs could promote hair growth.
5 citations
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October 2018 in “Sains Malaysiana” Testosterone reduces key molecules needed for early pregnancy in rats.
63 citations
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December 2013 in “PLoS ONE” Finasteride may reduce prostate cancer spread by lowering certain enzyme levels.
4 citations
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March 2020 in “Journal of Cosmetic Dermatology” Plumbago zeylanica extract helps hair growth and reduces a hair loss-related enzyme.
18 citations
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March 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.
131 citations
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August 2000 in “International Journal of Dermatology” Inflammation may be linked to hair loss, and targeting specific enzymes could help treat it.
39 citations
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March 2009 in “Archives of Dermatological Research” Apigenin may help promote hair growth and could treat hair loss.
14 citations
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June 2015 in “Toxicology and Industrial Health” Low doses of BPA can increase prostate growth and change hormone levels in adult rats.
January 2025 in “Pakistan Journal of Health Sciences” The Cyp11a1 gene variation has a weak link to PCOS, but higher di-hydro-testosterone levels are found in PCOS patients.
August 2016 in “Journal of Investigative Dermatology” DHT reduces a cell's ability to promote hair growth, while 3D culture without DHT improves it.
22 citations
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March 2012 in “Molecular Medicine Reports” DHT affects hair follicle cells by changing microRNA levels, leading to less cell growth and more cell death.
16 citations
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January 2016 in “Annals of Dermatology” Green tea component EGCG may help prevent hair loss by changing microRNA levels in certain scalp cells.