60 citations
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March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
40 citations
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March 1982 in “British Journal of Dermatology” Young women with diffuse hair loss may have low SHBG levels, which could lead to more active testosterone and contribute to their hair loss.
103 citations
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February 1972 in “Proceedings of the National Academy of Sciences” A unique enzyme in guinea pig hair follicles helps form protein cross-links in hair.
24 citations
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July 2017 in “Structure” FGF9 controls which receptors it binds to through a process where two FGF9 molecules join, and changes in FGF9 can lead to incorrect receptor activation.
October 2020 in “Clinical and Experimental Dermatology” Hair loss improved after removing pituitary tumor.
2 citations
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January 1997 in “Mapping” Gambogic Amide may prevent hair greying and promote hair growth by maintaining hair pigmentation.
12 citations
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October 2019 in “Experimental Dermatology” Boehmite promotes hair growth by stimulating key cells and pathways.
14 citations
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January 2017 in “Elsevier eBooks” CBG may help with various medical conditions but needs more human research to confirm safety and effectiveness.
49 citations
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November 2014 in “Journal of Medicinal Food” Red Ginseng Extract may help human hair grow by activating growth pathways and blocking negative effects of certain hormones.
2 citations
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January 2011 in “Feed Review” Adding 0.029% iron glycine chelate to piglet diets improves growth and hair color.
31 citations
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October 1992 in “PubMed” A mycobacterial protein shares a similar region with a human skin protein, possibly affecting skin diseases.
36 citations
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April 2011 in “Journal of The American Academy of Dermatology” People with hair loss have higher risk of high blood sugar and diabetes, and lower levels of a specific hormone.
82 citations
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April 2014 in “Plant Cell & Environment” Magnesium levels control root hair growth in plants.
January 2019 in “Analytical Science and Technology” About 21% of tested hair loss supplements contained illegal synthetic drugs.
1 citations
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June 2022 in “JCRPE” Metreleptin treatment significantly improved metabolic health in a boy with congenital generalized lipodystrophy.
478 citations
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September 1996 in “Proceedings of the National Academy of Sciences” Overexpression of PTHrP in chondrocytes causes short-limbed dwarfism and delayed bone formation in mice.
July 2022 in “Journal of Investigative Dermatology” The combination of a plant extract and a peptide can increase hair pigmentation and may reverse greying.
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.
35 citations
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August 2009 in “Differentiation” Desmoglein 4 is controlled by specific proteins that affect hair growth.
May 2005 in “Zhonghua chuangshang guke zazhi” Human hair keratin can help nerve regeneration and is a promising material for nerve repair.
3 citations
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September 2024 in “Journal of Microbiology and Biotechnology” Human placenta extract reduces inflammation and symptoms in atopic dermatitis.
1 citations
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August 2023 in “Biomolecules & therapeutics” HAPLN1 can promote hair growth and may help treat hair loss.
October 2025 in “Asian Journal of Oral Health and Allied Sciences” Autologous growth factor concentrate therapy shows promise for treating early-stage hair loss safely and effectively.
53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
January 2026 in “International Journal of Women s Health” A new model helps predict treatment success in girls with early puberty.
March 2023 in “Journal of Cosmetic Dermatology” A genetic variant linked to hair thinning in Japanese women was found.
August 2005 in “The Journal of Cell Biology” Sgk3 kinase is essential for normal hair growth in mice.
20 citations
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January 2017 in “Experimental Dermatology” Igf1r helps regulate hair growth cycles.
June 2025 in “Dermatologic Surgery” GFC improves hair quickly, while PRP offers longer-lasting benefits; using both sequentially is recommended.
66 citations
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October 1987 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Measuring androstanediol glucuronide in blood is useful for assessing and tracking treatment in women with excessive hair growth.