26 citations
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October 1996 in “Journal of Endocrinology/Journal of endocrinology” Goat hair follicles have insulin-like growth factor-I receptors that might affect hair growth, but no melatonin receptors were found.
20 citations
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December 2013 in “PTR. Phytotherapy research/Phytotherapy research” Ginsenoside Rg3 may help hair growth by increasing a growth-related protein in hair cells.
2 citations
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November 2019 in “Case reports in women's health” Ovarian vein sampling helped diagnose rare ovarian tumors causing high testosterone, and surgery to remove the tumors lowered the testosterone levels.
85 citations
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May 2009 in “Hippocampus” Progesterone helps adult male mice grow more neurons and improves memory.
August 2013 in “Nature Reviews Drug Discovery” New treatments for cancer and skin disorders show promise in disrupting harmful cell interactions and promoting hair growth.
Testosterone in human pancreas cells boosts insulin production.
82 citations
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February 1989 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” A three-month treatment with a GnRH agonist significantly lowered androgen levels and 5α-reductase activity in men with benign prostatic hyperplasia.
3 citations
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July 2015 in “International journal of pharmacology” Natural plant extracts help prevent hair loss and promote hair growth.
April 2021 in “Sri Lanka Journal of Diabetes Endocrinology and Metabolism” Giant pituitary macroadenomas causing Cushing disease are rare and may need extra treatment if surgery fails.
31 citations
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January 1989 in “The Prostate/The prostate” Estradiol and castration reduced prostate cancer development in rats when applied at early stages, but were ineffective after cancer was established.
4 citations
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April 2001 in “Experimental Dermatology” Using single dermal papillae is unreliable for analyzing androgen metabolism in hair follicles.
June 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Prostaglandin D2, found in higher levels in bald scalps, stops hair growth and could be a target for treating hair loss.
January 2007 in “Journal of Inner Mongolia University” The research helps in creating genetically modified animals to study hair growth.
April 2023 in “Journal of Investigative Dermatology” PRP can improve hair growth in people with hair loss, but more research is needed.
6 citations
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April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
11 citations
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April 2023 in “Skin Health and Disease” Psychological stress can worsen skin conditions like psoriasis and acne.
October 2025 in “Indian Journal of Dermatology” Exosomes from plants and adipose tissue stem cells, combined with biomimetic polypeptides, show promise for safe and effective hair growth treatment.
270 citations
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March 2012 in “Dermatologic Surgery” Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.
January 2007 in “Acta Veterinaria Brno” Trilostane treatment successfully restored hair growth in a dog with alopecia X.
2 citations
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December 1994 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” The treatment effectively reduced hair growth and was safe for patients with PCOS, but it needs better bleeding control.
2 citations
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May 2023 in “Plants” Allium hookeri extract may help promote hair growth and protect cells from damage.
2 citations
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September 2002 in “Journal of Endocrinological Investigation” The GH-IGF-I axis is likely involved in the hormonal imbalances seen in non-obese women with functional hyperandrogenism.
14 citations
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June 2011 in “Journal of Dermatological Science” TSH influences keratin expression in human hair follicles.
3 citations
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September 2024 in “Journal of Microbiology and Biotechnology” Human placenta extract reduces inflammation and symptoms in atopic dermatitis.
August 2025 in “Bioactive Materials” Ac-GFFY-IGF peptide is a promising, safe, and effective treatment for hair loss, better than current options.
January 2021 in “touchREVIEWS in Endocrinology” Surgery successfully treated a hidden ovarian tumor causing hair loss and excess hair growth in a postmenopausal woman.
19 citations
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January 2019 in “Animals” PDGFA helps activate hair growth in cashmere goats.
January 2025 in “Biochemical Pharmacology” Peficitinib can turn human fibroblasts into cells that help grow hair.
14 citations
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September 2018 in “Biochemical and Biophysical Research Communications” Growing hair cells with dermal cells can potentially treat hair loss.
28 citations
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July 2022 in “Endocrine” Low prolactin in young women may increase heart and metabolism risks.