40 citations
,
June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
7 citations
,
March 2014 in “ISRN Biomaterials” Keratin hydrogel from human hair helps rats recover better from spinal cord injuries.
108 citations
,
October 2003 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin makes hair follicles stronger.
62 citations
,
January 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” A second domain of high sulfur KAP genes on chromosome 21q23 is crucial for hair structure.
27 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found that variations in hair protein genes are likely due to evolutionary deletions or duplications.
43 citations
,
July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
January 2026 in “Health Food & Biotechnology” A hair serum with 3% keratin from chicken feathers made hair smoother, shinier, and more elastic.
2 citations
,
January 2004 in “Sen i Gakkaishi” Human hair and nail proteins are unlikely to cause allergic reactions.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
28 citations
,
July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
28 citations
,
October 1985 in “The Journal of Cell Biology” Researchers isolated and identified structural components of human hair follicles, providing a model for studying hair formation.
13 citations
,
November 2007 in “Journal of Structural Biology” Keratin heterodimers are preferred for their specific and structural advantages.
48 citations
,
May 1991 in “The journal of investigative dermatology/Journal of investigative dermatology” Trichohyalin is also found in the outer layers of normal human skin.
The keratin-based cream effectively repaired and improved damaged hair.
86 citations
,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
November 2010 in “PubMed” Human hair keratin can help repair fat tissue.
23 citations
,
April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
November 2017 in “Koubunshi rombunshuu/Kōbunshi ronbunshū” Hematin in shampoo helps repair and straighten damaged hair.
3 citations
,
February 2011 in “Journal of Biomedical Research/Journal of biomedical research” A new mutation in the KRT86 gene was found to cause the hair disorder monilethrix in a Han family.
1 citations
,
January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
53 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” KAP genes show significant genetic variability, but its impact on hair traits is unclear.
January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” Keratin from chicken feathers can be safely used for skin benefits.
22 citations
,
February 2012 in “Journal of Investigative Dermatology” A specific gene mutation causes severe skin and nail issues and hair loss.
8 citations
,
January 2009 in “Transactions of the Materials Research Society of Japan” Water-soluble wool keratin can protect human hair from damage during treatments.
16 citations
,
October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
47 citations
,
September 2011 in “Acta biomaterialia” Protein composition greatly affects the function of keratin biomaterials.
41 citations
,
July 2020 in “Colloids and surfaces. B, Biointerfaces” Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.
The research found that people's hair proteins vary, especially by ethnicity and body part, which could help identify individuals in forensic science.
14 citations
,
December 1998 in “British Journal of Cancer” Truncated hHb1 keratin may play a role in breast cancer cell transformation.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.