38 citations
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February 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Two patients with porphyria cutanea tarda experienced their grey hair turning dark again.
22 citations
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November 2013 in “Clinical and experimental dermatology (Print)” Ecklonia cava, a type of seaweed, may help hair grow.
22 citations
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July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
2 citations
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October 2023 in “Science advances” Touching hair can activate nearby nerve cells through signals from the hair's outer layer.
2 citations
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January 2020 in “BioMed Research International” Phaeodactylum tricornutum extract helps hair follicle cells grow by activating the ERK1/2 pathway.
1 citations
,
May 2022 in “International Journal of Cosmetic Science” Edelweiss extract can increase hair density and promote hair growth.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
September 2024 in “Meditsinskiy sovet = Medical Council” As women age, hair follicles decrease in number and hair width tends to reduce.
April 2018 in “Journal of Investigative Dermatology” Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.
April 2018 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Electrical epilation damages hair follicles and surrounding skin, likely preventing hair regrowth.
September 2017 in “Journal of Investigative Dermatology” Blue light helps hair growth by affecting specific proteins in hair follicle cells.
March 2016 in “Institutional Repositories DataBase (IRDB)” Collagen peptides may promote hair growth by activating certain genes in the skin.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
28 citations
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March 2018 in “Scientia Horticulturae” Auxin controls root-hair growth in citrus by affecting its signaling pathway.
17 citations
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January 2009 in “Plant cell monographs” 10 citations
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May 2006 in “Agricultural Sciences in China” A phosphorus-buffered solution successfully grew long root hairs in plants like corn and wheat, but not in onions.
8 citations
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October 2010 in “Advances in plant biology” 5 citations
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January 2000 1 citations
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August 2008 in “Plant cell monographs”
85 citations
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July 2012 in “Cold Spring Harbor perspectives in biology” The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.
November 2023 in “International Journal of Medical Sciences” New regenerative medicine-based therapies for hair loss look promising but need more clinical validation.
September 2025 in “Biomolecules” The skin microenvironment significantly affects hair growth and loss, offering potential treatment avenues.
FGF5 spliceosomes inhibit rabbit hair growth by affecting gene expression.
183 citations
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July 2000 in “American Journal of Botany” Root hairs help Arabidopsis plants absorb more phosphorus when it's scarce.
61 citations
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December 1994 in “Planta”
35 citations
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April 2008 in “Human Molecular Genetics” Skin and hair can help us understand organ regeneration, especially how certain stem cells might be used to form new organs.
14 citations
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March 2022 in “Plant Cell & Environment” The protein AtRXR3 limits root hair growth in Arabidopsis, affecting phosphorus uptake.
6 citations
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September 2024 in “Plant Cell & Environment” Chitosan affects root hair growth and callose deposition based on its concentration.
3 citations
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November 2018 in “Curēus” The cause and importance of misplaced oil glands in the hair follicle are not well understood.