72 citations
,
May 1993 in “The Journal of Cell Biology” Trichohyalin in sheep hair follicles may help with structure and calcium binding.
62 citations
,
December 2007 in “Journal of biological chemistry/The Journal of biological chemistry” A specific chemical change in the S100A3 protein leads to the formation of a four-part structure important for hair formation.
46 citations
,
May 1991 in “British Journal of Dermatology” Heparin can inhibit hair growth in mice when injected.
8 citations
,
May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
5 citations
,
October 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
2 citations
,
March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
1 citations
,
January 2022 in “Italian journal of dermatology and venereology” The combination of arginine and zinc reduces hair loss and increases hair growth effectively.
1 citations
,
March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
December 2025 in “Cosmetics” The bio-based complex effectively repairs and protects chemically damaged hair.
December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
January 2024 in “Journal of chemical health risks” The bio-patch promotes faster, scarless wound healing.
September 2018 in “University of the Arts London Research Online (University of the Arts London)” L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.
January 2017 in “Nutrafoods - International Journal on Nutraceuticals, Functional Foods and Novel Foods” The supplement reduces hair loss and increases hair thickness in older women.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
Introducing the OTC gene improved symptoms in mice with OTC deficiency.
135 citations
,
October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
2 citations
,
April 2023 in “American Journal of Dermatopathology” CCCA may involve the PD1/PDL1 pathway and increased caspase 3, leading to permanent hair loss.
August 2025 in “Macromolecular Bioscience” Microneedles with minoxidil and nitric oxide improve hair growth effectively and painlessly.
October 2014 in “University of the Arts London Research Online (University of the Arts London)” Protein-derived ingredients can help strengthen bleached hair.
21 citations
,
November 2019 in “Molecular & Cellular Proteomics” Citrullinated proteins from Porphyromonas gingivalis may contribute to rheumatoid arthritis.
12 citations
,
July 2017 in “International Journal of Cosmetic Science” N‐AOHPA is a promising alternative to traditional surfactants for better hair conditioning.
2 citations
,
October 2023 in “Philosophical transactions - Royal Society. Biological sciences” Enzymes that change arginine to citrulline are important for skin barrier and hair formation, and their malfunction can lead to skin conditions and hair disorders.
47 citations
,
September 2002 in “Journal of Bone and Mineral Research” A mutation in the vitamin D receptor causes severe resistance to vitamin D, affecting bone health but not hair growth.
12 citations
,
January 2016 in “Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie” Researchers found a new mutation in the EDA gene that likely causes missing teeth and mild skin symptoms in one family.
DOPE:DOPC liposomes can improve targeted cancer drug delivery, reducing side effects and increasing effectiveness.
60 citations
,
March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
42 citations
,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
17 citations
,
October 2006 in “Molecular and Cellular Endocrinology” The L457(3.43)R mutation in the human lutropin receptor causes increased activity and hormone insensitivity, leading to precocious puberty.