January 2016 in “Frontiers in Bioengineering and Biotechnology” A wool hair keratin hydrogel is promising for growing cells and tissue engineering.
79 citations
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March 2005 in “Journal of Medical Genetics” A mutation in the hHb3 gene is linked to the hair disorder monilethrix.
46 citations
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November 1963 in “Journal of Histochemistry & Cytochemistry” Arginine converts to citrulline in hair follicles as proteins harden.
47 citations
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July 1998 in “Journal of Investigative Dermatology” A new mutation, Glu402Lys, in hair keratin is linked to variable symptoms of monilethrix.
11 citations
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January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
15 citations
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January 1988 Hair follicles have unique proteins that vary by species and are influenced by nutrition.
4 citations
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May 2007 in “Journal of Dispersion Science and Technology” Hinokitiol in cationic vesicles promotes hair growth better due to higher skin retention.
April 2018 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
7 citations
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January 1959 in “Canadian Journal of Chemistry” Human and horse hair have similar end groups to wool and feathers.
2 citations
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June 2022 in “Journal of Applied Pharmaceutical Science” 4-O-Methylhonokiol from Magnolia shows promise for hair growth, cancer, diabetes, and more, but needs better absorption.
11 citations
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June 1979 in “British Journal of Dermatology” The enzyme system in hair follicles is similar to the liver's and is affected by certain inhibitors.
38 citations
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October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
June 1996 in “Journal of Dermatological Science” November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
November 2025 in “Advanced Science” A new nanozyme using EGCG and L-arginine boosts hair growth by safely increasing beneficial oxidative stress.
7 citations
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February 2011 in “Journal of dermatology” The 736T>A mutation in the LIPH gene is common in Japanese people with autosomal recessive woolly hair.
October 2025 in “Journal of Molecular Structure” Hyaluronic acid microneedles help deliver minoxidil derivatives effectively for hair regrowth.
9 citations
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January 1966 April 2026 in “International Journal of Biological Macromolecules” A new hydrogel made from human hair keratin can help regenerate skin and fight bacteria.
38 citations
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January 2002 in “Biological & Pharmaceutical Bulletin” Lygodii Spora extract may help treat hair loss by blocking a hair loss-related enzyme and promoting hair growth.
12 citations
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September 2021 in “Journal of molecular structure” The MXD/24HA salt is more effective for hair growth than raw MXD.
23 citations
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June 2014 in “International Journal of Cosmetic Science” Glyoxylic acid is a safer alternative to formaldehyde for hair straightening and effectively changes hair structure.
2 citations
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August 1987 in “Analytical Biochemistry” A new method isolated previously undetected hair proteins rich in glycine and tyrosine.
67 citations
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December 1990 in “The journal of cell biology/The Journal of cell biology” Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.
5 citations
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January 2015 in “Molecular Genetics and Metabolism”
A man with a rare lung-focused form of hypereosinophilic syndrome improved with steroid treatment.
24 citations
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September 2018 in “Journal of Materials Science: Materials in Medicine” Hyaluronic acid-based HA2 hydrogel helps heal skin wounds better with less scarring.
118 citations
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January 2013 in “Biomaterials” Keratin from human hair shows promise for medical uses like wound healing and tissue engineering.
6 citations
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January 2005 in “PubMed” Cotton honeydew extract improves hair smoothness and reduces damage.