13 citations
,
December 2019 in “Nutrients” An apple-based supplement was found to stimulate hair protein production, which may help with hair growth.
26 citations
,
August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
19 citations
,
September 2007 in “The Journal of Steroid Biochemistry and Molecular Biology” Glucocorticoid receptors help regulate genes important for skin health and hair growth.
35 citations
,
August 2009 in “Differentiation” Desmoglein 4 is controlled by specific proteins that affect hair growth.
22 citations
,
August 1999 in “Mechanisms of Development” Pmg-1 and Pmg-2 are new genes important for skin and mammary gland development.
December 2025 in “Rapid Communications in Mass Spectrometry” Pepsin digestion improves accuracy in analyzing proteins in human hair.
62 citations
,
August 2006 in “Journal of Chromatography B” Modern techniques have improved the understanding of keratin proteins, revealing their roles in various cells and potential in disease diagnosis.
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.
2 citations
,
August 2020 in “Scientific reports” Genes related to keratin, skin cell differentiation, and immune functions are key in hedgehog skin and spine development.
1 citations
,
February 2023 in “Journal of Natural Fibers” Higher keratin protein levels are important for the wool's shine in Magra sheep.
September 2023 in “Journal of Natural Fibers” Drying hair with a microfiber towel better maintains hair strength and structure than using a cotton towel or blow-drier.
38 citations
,
May 2000 in “Livestock production science” Giving high-quality protein or methionine supplements helps improve hair growth in Angora goats and, to a lesser extent, in Cashmere goats.
4 citations
,
January 2021 in “Skin appendage disorders” Hair straightening can damage hair and pose health risks, including exposure to carcinogens and hair loss.
July 2023 in “Indian Journal of Animal Health” FGF-5 promotes Cashmere goat hair growth by increasing keratin genes and reducing certain LncRNA and target genes.
9 citations
,
January 2017 in “Annals of Dermatology” The study found genetic differences related to hair development that may explain hair loss in a patient with Trichorhinophalangeal syndrome type I.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
69 citations
,
January 2009 in “Advances in Materials Science and Engineering” Wool keratin is reactive, biocompatible, biodegradable, and can model keratin from other sources.
5 citations
,
September 2018 in “International journal of genomics” Genetic mutations that disrupt homocysteine breakdown lead to increased damage in mouse hair keratin.
Calorie restriction changes the elemental and isotopic makeup of mouse hair and bone.
12 citations
,
August 2011 in “Asian-Australasian Journal of Animal Sciences” KAP8.1 gene variations affect cashmere weight in Inner Mongolian goats.
August 2025 in “Applied Sciences” Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.
April 2023 in “Cancer research” KRTAP2-3 could help predict cancer recurrence by identifying specific cancer cells.
July 2025 in “International Journal of Molecular Sciences” Four new genes related to sheep wool were discovered, showing genetic diversity.
36 citations
,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
9 citations
,
February 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The document concludes that the human keratin gene cluster is complex, with a need for updated naming to reflect over 50 functional genes important for hair and skin biology.
226 citations
,
January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
1398 citations
,
May 2008 in “Histochemistry and Cell Biology” Keratins are crucial for cell stability, wound healing, and cancer diagnosis.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.
7 citations
,
May 2021 in “Applied sciences” Proteins like BSA and keratin can effectively style hair and protect it, offering eco-friendly alternatives to chemical products.
12 citations
,
January 2014 in “Cell structure and function” Different combinations of human hair keratins affect how hair fibers form.