4 citations
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November 2004 in “Clinical and Experimental Dermatology” Hair length and thickness are related, with thickness peaking at about a quarter of the hair's maximum length.
The inner root sheath in hair follicles plays a key role in hair growth and health.
November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
April 2016 in “Journal of Investigative Dermatology” The Engrailed-1 gene plays a key role in the development of sweat glands in mice.
2 citations
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August 2012 in “Cell Stem Cell” The study showed that some hair follicle stem cells wake up to grow hair while others stay asleep, and that the environment around them is important for hair growth.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
3 citations
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July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
28 citations
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August 2019 in “BMC Genetics” miR-148a and miR-10a affect hair growth in Hu sheep.
3 citations
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November 2022 in “Frontiers in molecular biosciences” Plasmalogens activate a channel in cells that may stimulate hair growth.
13 citations
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September 2018 in “Scientific Reports” The research found that a complex gene network, controlled by microRNAs, is important for hair growth in cashmere goats.
3 citations
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January 2005 in “Biological & Pharmaceutical Bulletin” The peptide GPIGS helps hair cells grow and speeds up hair regrowth in mice.
15 citations
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September 2012 in “PTR. Phytotherapy research/Phytotherapy research” Ginsenosides Rb₁ and Rd may help prevent hair loss by promoting hair cell growth.
Garlic can help hair grow by activating certain growth pathways, and it works whether you eat it or apply it to your scalp.
10 citations
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November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
April 2026 in “Stem Cell Reviews and Reports” 132 citations
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August 2008 in “Development” Dlx3 is essential for hair growth and regeneration.
11 citations
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May 2022 in “Chinese medicine” Alpinetin helps grow hair by turning on hair stem cells and is safe for use.
November 2024 in “Traditional & Kampo Medicine” Kumazasa extract promotes hair growth in mice like minoxidil but without side effects.
7 citations
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July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.
July 2024 in “Journal of Investigative Dermatology” Propolis extract can promote hair growth and increase keratin production.
71 citations
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June 2005 in “Journal of Investigative Dermatology” PAD enzymes play a key role in hair growth and structure.
1 citations
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November 2023 in “International Journal of Molecular Sciences” SOX18 helps sheep hair cells grow by activating a specific cell growth pathway.
1 citations
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March 2022 in “Daehanhanuihakoeji” Artemisia sieversiana extract may help prevent hair loss and promote hair growth.
January 2023 in “Frontiers in bioscience” Artemis protein may help control hair growth and health by influencing cell processes.
193 citations
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June 2007 in “The Plant Journal” GhDET2 is crucial for cotton fiber growth.
Suppressing ODC activity reduces tumor growth in hair follicles.
Wnt10b promotes hair growth, while SFRP2 inhibits it in Wanxi Angora rabbits.
149 citations
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June 2010 in “The FASEB journal” miR-31 regulates hair growth by controlling gene expression in hair follicles.
May 2025 in “Frontiers in Bioinformatics” Jamogenin from plants may help hair growth and is a potential alternative to finasteride.
April 2016 in “Journal of Investigative Dermatology” CD73 may regulate hair growth and could be targeted for hair growth treatments.