479 citations
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January 2005 in “BioEssays” Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.
295 citations
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September 2006 in “Cell Cycle” The conclusion is that using drugs to block the TOR pathway might slow aging and prevent age-related diseases.
209 citations
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September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
192 citations
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March 1998 in “British Journal of Dermatology” Minoxidil boosts growth factor in hair cells, potentially promoting hair growth.
185 citations
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June 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
72 citations
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October 2009 in “The FASEB journal” TRH stimulates human hair growth and extends the hair growth phase.
70 citations
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March 2016 in “Urologic Clinics of North America” The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.
48 citations
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January 2000 in “Hormone Research in Paediatrics” Cytokines and neuropeptides are key in controlling androgen levels, affecting skin and hair conditions.
41 citations
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September 1991 in “Medical hypotheses” Prolactin may be important for skin growth and immune function.
32 citations
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June 2015 in “PLOS ONE” Olive leaf compound oleuropein helps grow hair in mice.
26 citations
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September 2018 in “Journal of Molecular Cell Biology” Endoglin is crucial for proper hair growth cycles and stem cell activation in mice.
25 citations
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November 2013 in “PLoS ONE” Estrogen and androgen signals control synaptic changes in rat brains.
23 citations
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December 2004 in “Differentiation” Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
17 citations
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May 2010 in “Journal of Dermatological Science” Erythropoietin helps hair grow and could be a potential treatment for hair loss.
16 citations
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October 2020 in “Lipids in Health and Disease” Leptin affects skin and hair health and may worsen some skin conditions, but more research is needed to understand its full impact.
14 citations
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April 2005 in “Experimental Dermatology” Stressed fibroblasts greatly increase melanin production in hair, skin, and eye cells, mainly due to a growth factor called bFGF.
11 citations
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July 2001 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS” Estrogens are key for bone growth spurts in both boys and girls and affect growth into adulthood.
8 citations
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September 2008 in “Medical Hypotheses” The paper suggests that hair loss might be caused by skull growth, not just DHT's effect on hair follicles, and calls for more research.
6 citations
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November 2020 in “Molecular and Cellular Endocrinology” Androgens reduce BMP2, which weakens the ability of certain cells to help hair stem cells become different types of cells.
6 citations
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April 2009 in “Fertility and Sterility” Finasteride helps induce ovulation in nonresponder PCOS women.
5 citations
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October 2024 in “International Journal of Biological Sciences” A peptide from hair follicle stem cells can boost hair growth.
4 citations
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June 1998 in “The Journal of Clinical Endocrinology & Metabolism” KGF and its receptor are found in enlarged prostate tissue and KGF strongly increases cell growth.
1 citations
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October 2001 in “Journal of Wood Science” Some extracts from woods and fungi can promote hair growth better than a known hair growth substance.
January 2026 in “Frontiers in Cellular Neuroscience” Neurosteroids like neuro-estrogen and neuro-androgen are crucial for brain function and can improve cognition and protect against aging-related decline.
November 2025 in “Archives of Dermatological Research” Limelight (CB-EVs) safely promotes hair growth.
November 2023 in “Food science of animal resources” Lactilactobacillus curvatus LB-P9 taken orally helps hair regrow faster and thicker in mice.
March 2023 in “Scientific reports” Hair growth-related cells need the enzyme SCD1 to help maintain the area that supports hair growth.
May 2021 in “International journal of developmental research” Estrogens and progesterone are key in regulating melasma pigmentation.
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.
September 2017 in “Springer eBooks” Low-level laser therapy seems to promote hair growth but requires more research to confirm its effectiveness.