9 citations
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April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Derinat helps extend hair growth by reducing harmful molecules in skin cells.
Collagen peptides may boost skin and hair-related gene expression.
2 citations
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February 2016 in “Journal of sol-gel science and technology” A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
2 citations
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August 2013 in “Journal of Investigative Dermatology” Nuclear shape and chromatin changes affect gene expression in skin cell differentiation.
2 citations
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January 2022 in “Materials today: proceedings” Caffeine may be good for hair growth and skin care because it binds well with keratin.
32 citations
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October 1985 in “Annals of the New York Academy of Sciences” Keratin genes help explain how hair and feathers develop differently in mammals and birds.
May 2026 in “Journal of Medicinal Food” Hydrolyzed keratin peptide improves hair growth and health.
11 citations
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March 2019 in “Journal of Medicinal Chemistry” Some synthetic carbohydrate receptors, especially compounds 3 and 15, show strong potential for treating Zika virus.
Hydrophobic modifications make human hair less affected by water.
18 citations
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November 1989 in “Clinical and experimental dermatology” Griseofulvin is the best treatment for severe scalp infection caused by Microsporum canis.
4 citations
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January 2014 in “Repositorio Institucional” Clitocybin A from a mushroom may promote hair growth by increasing cell activity in hair follicles.
10 citations
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January 1989 in “Archives of Dermatological Research” The method effectively analyzes human hair proteins, especially nonfilamentous ones.
23 citations
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December 1977 in “Virchows Archiv B Cell Pathology” January 2003 in “Swinburne Research Bank (Swinburne University of Technology)” 92 citations
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February 2005 in “Journal of Investigative Dermatology” 
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January 2001 in “Biomedical Research” Trichohyalin and peptidylarginine deiminase type III are found together in rat hair follicles, with trichohyalin being modified after expression.
December 2024 in “Naunyn-Schmiedeberg s Archives of Pharmacology” March 2026 in “Virulence” Vimentin and keratin help viruses spread and could be targets for antiviral treatments.
29 citations
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
19 citations
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July 1994 in “Journal of Dermatological Science” Human hair keratin genes are similar to mouse genes and are specifically expressed in hair follicles.
February 2026 in “Preprints.org” Beer yeast vesicles may improve hair follicle health.
February 2024 in “ACS applied bio materials” Keratin microspheres might help hair grow.
263 citations
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February 2011 in “Journal of Controlled Release” Medium-sized particles penetrate hair follicles better than smaller or larger ones, which could improve delivery of skin treatments.
April 2023 in “Journal of Investigative Dermatology” Trichohyalin in hair can trigger immune attacks in alopecia areata.
10 citations
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April 2007 in “PubMed” Coordinated gene activities are crucial for normal hair growth.
The optimal concentration for caffeine release in gel form is 0.2% caffeine and 2.3% chitosan.
10 citations
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July 1984 in “British Journal of Dermatology” Epidermal cysts come from the skin, while pilar cysts come from hair follicles.