Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
5 citations,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
1 citations,
December 2022 in “Middle East Journal of Science” Permanent hair dyes use chemicals that react with hydrogen peroxide to create color.
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.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” A gene variant causes patched hair loss in mice, similar to alopecia areata in humans.
20 citations,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
1 citations,
August 2023 in “Journal of cosmetic dermatology (Print)” Too much selenium can cause hair loss and nail problems.
FGF5 spliceosomes inhibit rabbit hair growth by affecting gene expression.
136 citations,
July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
9 citations,
February 2022 in “Nature communications” Rare changes in the KRT82 gene are linked to a higher risk of Alopecia Areata.
1 citations,
January 2024 in “Scientific reports (Nature Publishing Group)” Human hair was used to make biodegradable plastic films that could be useful for packaging and disposable products.
26 citations,
January 2018 in “Skin appendage disorders” Thallium, mercury, selenium, and colchicine strongly cause hair loss.
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.
86 citations,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
4 citations,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
July 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect 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.
10 citations,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
3 citations,
April 2012 in “Bioinformation” Two specific SNPs in the TRPS1 gene cause excessive hair growth by altering the protein's structure.
45 citations,
December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
118 citations,
January 2013 in “Biomaterials” Keratin from human hair shows promise for medical uses like wound healing and tissue engineering.
May 2023 in “Pharmaceuticals” Three specific mutations in the LIPH gene can cause hair loss by damaging the protein's structure and function.
17 citations,
June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Mutations in hKAP1 genes may cause hereditary hair disorders.
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.
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.
November 2023 in “Advanced Science” A specific hair protein variant increases the spread of breast cancer and is linked to worse survival rates.
33 citations,
July 2007 in “Skin research and technology” Thicker hair is stronger, regardless of age, gender, or other factors.
25 citations,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
1 citations,
January 2012 The CRABP I gene in cashmere goats is highly conserved but has unique features at specific amino sites.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.