23 citations
,
April 2003 in “Journal of Structural Biology” Keratin structure changes during keratinization, but the exact model remains uncertain.
12 citations
,
February 1998 in “Gene” The B2 genes are crucial for hair growth in rats.
May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
11 citations
,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
31 citations
,
January 2004 in “Methods in cell biology” Hair and follicle keratins differ in structure and expression, especially in cysteine content.
January 2024 in “Molecules (Basel. Online)” Juglone from walnut extracts may help repair damaged hair.
June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
65 citations
,
September 2014 in “BMC genomics” Different hair types in mammals are linked to variations in specific protein genes, with changes influenced by their living environments.
51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
98 citations
,
June 2001 in “Journal of biological chemistry/The Journal of biological chemistry” A cluster of sulfur-rich hair protein genes was found on chromosome 17.
5 citations
,
January 2017 in “Elsevier eBooks” The document concludes that cosmetics need biocompatible, eco-friendly ingredients due to aging populations and demand for effective products.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
119 citations
,
August 2008 in “BMC Evolutionary Biology” KRTAP genes evolved early in mammals, leading to diverse hair traits.
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.
January 2007 in “Sen'i Gakkaishi” Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.
11 citations
,
September 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in the KRT71 gene causes a hair disorder by disrupting hair follicle structure and texture.
12 citations
,
December 2017 in “Journal of biomaterials science. Polymer ed.” Human hair protein extracts can protect skin cells from oxidative stress.
27 citations
,
April 2018 in “Artificial Cells Nanomedicine and Biotechnology” Recombinant human hair keratin proteins can effectively stop bleeding.
August 2025 in “Applied Sciences” Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.
51 citations
,
September 2012 in “Gene” The research identified a gene in sheep important for wool quality, which could help improve wool traits.
9 citations
,
September 2013 in “Journal of Applied Animal Research” The genetic variation in the KAP13-3 gene may affect cashmere fiber traits in Liaoning goats.
32 citations
,
February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
22 citations
,
December 2016 in “PloS one” A specific protein in chicken embryos links early skin layers to feather development.
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.
December 2020 in “Journal of Aesthetic Nursing” Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.
October 2020 in “Journal of Aesthetic Nursing” Platelet-rich plasma (PRP) injections effectively treat hair loss and thinning in both men and women, with high satisfaction and no major side effects.
40 citations
,
May 2016 in “Proceedings of the National Academy of Sciences of the United States of America” Changes in keratin make hair follicles stiffer.
1 citations
,
July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Cysteine strengthens hair, and glutamine fuels hair growth.
December 2022 in “Deleted Journal” Sheep wool keratin solution safely and effectively promotes hair growth.