April 2019 in “Journal of Investigative Dermatology” Caffeine can protect scalp hair follicles from damage caused by UV radiation.
January 2019 in “Archives of dermatology and skin care” Biomimetic peptides were found to promote hair growth and prolong the growth phase in human hair follicles.
February 2018 in “Chinese Journal of Dermatology” Diammonium glycyrrhizinate at 0.01 μmol/L promotes hair growth by activating the Wnt/β-catenin pathway.
January 2008 in “Acta Anatomica Sinica” Minoxidil promotes hair growth by delaying the hair's resting phase.
January 2007 in “Linchuang pifuke zazhi” HIF-1α in fibroblasts boosts hair growth and health.
January 2006 in “Chinese Journal of Dermatology” Latanoprost helps pig hair follicles grow faster by keeping them in the growth phase longer.
The estrogen receptor pathway controls hair growth cycles and affects skin cell growth.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
September 2016 in “Journal of Dermatological Science” The protein aPKCλ is crucial for keeping hair follicle stem cells inactive and for hair growth and regeneration.
71 citations
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June 2007 in “Bioorganic & Medicinal Chemistry Letters” PLGA nanospheres improve hair growth by effectively delivering ingredients to hair follicles.
40 citations
,
July 1989 in “Journal of Cell Science” Rat hair follicles can be kept alive in a lab for 7 days but then stop growing.
July 2026 in “Journal of the American Academy of Dermatology” Estetrol (E4) can help hair grow longer by extending its growth phase.
January 2023 in “Figshare” Mouse skin and hair aging starts at 200 days, with changes in hair follicles and more white hairs as signs of aging.
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.
December 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” New cells join the hair's dermal papilla during the growth phase, possibly affecting hair thickness.
April 2007 in “Linchuang pifuke zazhi” TGF-β1 and 2 may play a role in hair loss in AGA.
22 citations
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February 2017 in “Clinical and Experimental Dermatology” Icariin helps mouse hair grow by boosting a growth factor in skin cells.
19 citations
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July 2015 in “Journal of Ginseng Research” Korean Red Ginseng may protect against hair loss caused by chemotherapy.
9 citations
,
April 2019 in “International journal of molecular sciences” Human hair grows better in a special gel that mimics skin.
3 citations
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August 2013 in “Stem cells” Certain inhibitors applied to the skin can promote hair growth by maintaining a key hair growth signal.
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” The anti-hair loss shampoo effectively promotes hair growth and improves hair quality.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
62 citations
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November 2016 in “Nanoscale” Medium to larger nanogels effectively deliver drugs through hair follicles when heated.
12 citations
,
August 2016 in “Biomedical Chromatography” A new method accurately measures clobetasol propionate in hair and skin.
12 citations
,
February 1998 in “Gene” The B2 genes are crucial for hair growth in rats.
11 citations
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September 2012 in “Journal of Nanjing Medical University” Cyclosporine A was found to increase hair growth in mouse whisker follicles.
1 citations
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January 2004 in “Linchuang pifuke zazhi” Substance P helps hair growth by extending the growth phase and affecting certain growth factors.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” The reconstructed skin model from hair follicles functions like human skin in processing chemicals and can be used to test ingredient safety.
May 2025 in “Animal Bioscience” Inhibiting prolactin reduces hair follicle activation in cashmere goats.
November 2021 in “DOAJ (DOAJ: Directory of Open Access Journals)” Resveratrol may help promote hair growth and treat hair loss.