98 citations
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November 1999 in “Dermatology Online Journal” IGF-1 can boost hair growth by promoting cell growth and preventing cell death.
32 citations
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March 2021 in “Journal of endocrinological investigation” Thyroid hormones are important for skin health and changes in them can affect conditions like hair loss and eczema.
22 citations
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January 2011 in “Indian Journal of Dermatology/Indian journal of dermatology” Cow placenta extract may help hair grow by increasing a growth factor but is less effective than minoxidil.
13 citations
,
December 2018 in “Development, Growth & Differentiation” Sex hormones, especially estradiol, can change chicken feather shapes and colors.
5 citations
,
January 2021 in “Biomedicine & Pharmacotherapy” Policosanol helps treat hair loss by balancing hormones and supporting hair growth.
4 citations
,
April 2012 in “Asian-australasian Journal of Animal Sciences” Red deer antler extract may help hair grow faster by increasing a growth protein.
3 citations
,
April 2015 in “American journal of biomedical sciences” Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
33 citations
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November 2012 in “Journal of The American Academy of Dermatology” FPHL common in Taiwanese women; risk factors include BMI, high glucose, early puberty, fewer childbirths, oral contraceptives, and UV exposure.
19 citations
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October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
9 citations
,
March 2018 in “International Journal of Cancer” Men with frontal male pattern baldness may have a higher risk of gastric cancer.
9 citations
,
December 1978 in “Australian Journal of Biological Sciences” Flumethasone causes wool shedding in Merino wethers, with recovery in about 60 days.
August 2025 in “International Journal of Scientific Research in Biological Sciences” Higher levels of DHEA and TNF-α are linked to PCOS symptoms.
Early-onset baldness is linked to genetics, lifestyle, and can indicate higher risk for heart and metabolic diseases, and affects mental health.
10 citations
,
April 2019 in “Journal of Analytical Science and Technology” Lactobacillus plantarum hydrolysates may help increase hair growth by boosting VEGF production.
8 citations
,
June 2019 in “Journal of Ginseng Research” Gintonin-enriched fraction promotes hair growth and could be a potential alopecia treatment.
1 citations
,
January 2015 in “Journal of clinical and investigative dermatology” IGF-1 from human placenta helps hair grow.
Sinsun-yukza-hwan extract promotes hair growth in mice.
October 2012 in “Journal of Dermatological Science” Erythropoietin can promote hair growth by increasing IGF-1 in hair cells.
41 citations
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April 2016 in “Journal of experimental botany” RACB in barley is crucial for cell polarity and nucleus positioning, aiding fungal infection.
10 citations
,
February 2020 in “Endocrine” Finasteride safely treats hair loss without harming hormones or reproduction, but may slightly reduce sexual function.
November 2021 in “World Family Medicine Journal /Middle East Journal of Family Medicine” Thyroid hormone levels in children are linked to growth hormone and can be affected by diabetes in Riyadh, Saudi Arabia.
13 citations
,
January 2015 in “Evidence-based Complementary and Alternative Medicine” Garlic chive extract helped mice grow more hair by increasing a specific growth factor.
January 2026 in “International Journal of Applied Pharmaceutics” A 10% MSC secretome hair tonic best promotes hair growth in alopecia.
January 2018 in “Stem cell biology and regenerative medicine” The nucleus is key in controlling skin growth and repair by coordinating signals, gene regulators, and epigenetic changes.
7 citations
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September 2024 in “PLANT PHYSIOLOGY” RALF22 is essential for root hair growth in response to fungal emissions in Arabidopsis.
103 citations
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October 2003 in “Birth Defects Research” Both genes and environmental factors like chemicals may contribute to the increase in hypospadias, but the exact causes are still unclear.
2 citations
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October 2020 in “Journal of The American Academy of Dermatology” The authors suggest that scalp hair might protect against COVID-19 and call for more research on scalp health and the virus.
1 citations
,
September 2024 in “iScience” Disrupted sleep patterns from artificial light can slow hair growth and may lead to hair loss.
1 citations
,
March 2020 in “Current Science” Most people in the surveyed area experience hair loss, but they are not aware of the role of diet, iron, hormones, genetics, and possibly water quality in causing it.
100 citations
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August 2008 in “American Journal Of Pathology” VEGF-A is crucial for normal skin function and may be linked to psoriasis.