Adenosine and caffeine can promote hair growth.
December 2021 in “Jurnal ilmiah Manuntung” The best hair growth results were achieved with a hair tonic containing 5% gotu kola extract and 0.04% garlic extract.
October 2024 in “Biology” Dermal papilla cells can help regrow hair and are promising for hair loss treatments.
190 citations
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October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
June 2025 in “Pharmacon Jurnal Farmasi Indonesia” Mangkokan leaves may help hair growth and health.
2 citations
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July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
53 citations
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March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
September 2019 in “Journal of Investigative Dermatology” Dermal Papilla Cells grown in 3D and with stem cells better mimic natural hair growth conditions than cells grown in 2D.
1 citations
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January 1985 in “Protides of the biological fluids” Injecting monocyto-angiotropin into hare skin increases hair growth by forming new blood vessels.
21 citations
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May 2022 in “Frontiers in Cell and Developmental Biology” Hair growth and health are influenced by factors like age, environment, and nutrition, and are controlled by various molecular pathways. Red light can promote hair growth, and understanding these processes can help treat hair-related diseases.
82 citations
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September 2018 in “Nature Communications” A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.
3 citations
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April 2015 in “American journal of biomedical sciences” Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
March 2017 in “Trichology and cosmetology:” Psoriasis treatment may affect body hair growth, with a complex relationship between skin and hair growth mechanisms.
UC-MSC-derived exosomes may help treat hair loss by promoting hair cell growth through AKT activation.
40 citations
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January 2016 in “PLoS ONE” Shorter daylight increases hair growth in Cashmere goats.
4 citations
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February 2018 in “Journal of Investigative Dermatology” The document concludes that a protein involved in hair growth may link to baldness and that more research is needed on its role in hair loss and skin cancer treatments.
27 citations
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January 2006 in “Colloids and Surfaces B: Biointerfaces” Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.
February 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Fluphenazine and iloprost can induce hair growth.
6 citations
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February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
79 citations
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March 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Procyanidin compounds from grape seeds were found to significantly increase mouse hair growth.
4 citations
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January 2021 in “Archives of dermatological research” The study created a new model to better understand human hair growth and health.
107 citations
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September 2002 in “Journal of Investigative Dermatology” Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.
520 citations
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February 2001 in “Journal of Clinical Investigation” VEGF helps hair grow and determines follicle size by increasing blood vessel growth.
13 citations
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March 2012 in “The Journal of Dermatology” Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.
1 citations
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April 2022 in “Acta histochemica” Pumpkin seed oil promotes hair growth and improves hair texture without harmful effects.
June 2023 in “Clinical and Experimental Dermatology” Gender-affirming hormone therapy changes hair growth in transgender people, with feminizing therapy reducing hair and masculinizing therapy increasing it, but sometimes additional treatment is needed.
14 citations
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April 1987 in “PubMed” Topical minoxidil can promote hair growth in men with hereditary hair loss, with no serious side effects.
January 2020 in “Journal of Womens Health, Issues and Care” Scalp micropigmentation is a successful, non-surgical way to make hair look fuller.
November 2022 in “Journal of Investigative Dermatology” Butyrate helps hair grow longer, improves hair cell health, increases pigment production, and boosts hair's natural defenses.
Melatonin shortens the hair growth cycle by increasing PDGFA gene expression.