May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
1 citations
,
January 2013 in “Chronicles of young scientists” Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.
87 citations
,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
1 citations
,
December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
Cornification is the process where living skin cells die to create a protective barrier, and problems with it can cause skin diseases.
March 2015 in “Plastic and reconstructive surgery” Human skin has multiple layers and functions, with key roles in protection, temperature control, and appearance.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
99 citations
,
May 1998 in “Journal of biological chemistry/The Journal of biological chemistry” Small proline-rich proteins and trichohyalin help make epithelial tissues tougher and more flexible.
December 2023 in “Journal of molecular structure” Hair treatments and dehydration affect hair's lipid and protein behavior, influencing its flexibility and appearance.
8 citations
,
January 2023 in “International journal of molecular sciences” Transglutaminase activity is important for skin and is found in both mammals and birds.
122 citations
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January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
22 citations
,
August 2020 in “Cells” TGM3 is important for skin and hair structure and may help diagnose cancer.
135 citations
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October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
130 citations
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April 2001 in “Journal of Investigative Dermatology” The keratin tail is crucial for skin structure and function.
February 2024 in “Epigenomes” Epigenetic mechanisms control skin development by regulating gene expression.
375 citations
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June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
62 citations
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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.
53 citations
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July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
46 citations
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
21 citations
,
February 2019 in “Experimental Dermatology” Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
5 citations
,
September 2013 3 citations
,
October 2025 in “Cancer” PROTACs offer a new, precise way to treat cancer by breaking down harmful proteins.
3 citations
,
July 2025 in “Gels” Engineered protein hydrogels improve medical treatments by mimicking natural body structures.
138 citations
,
June 2004 in “Journal of Investigative Dermatology” Involucrin gene expression is controlled by specific proteins and signaling pathways.
March 2026 in “Preprints.org” The combined stem cell secretome in the skin care product effectively reduces inflammation and promotes tissue regeneration.
45 citations
,
January 1977 in “Advances in experimental medicine and biology” Hair follicles have an enzyme that converts arginine to citrulline in proteins.
30 citations
,
August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” TGase 3 helps build hair structure by forming strong bonds between proteins.
12 citations
,
January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.