January 2020 in “대한미용학회지” Permanent hair dye reduces sulfur content in both gray and black-brown hair.
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January 2010 in “Mediators of Inflammation” Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.
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February 2009 in “Human Genetics” 3 citations
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November 2017 in “International Journal of Cosmetic Science” Solute binding to hair keratin is mainly driven by hydrophobic interactions and changes with pH.
May 2021 in “Open Access Macedonian Journal of Medical Sciences” People with premature hair graying have an imbalance between harmful and protective molecules in their body, hinting that antioxidants might help.
53 citations
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September 1999 in “Journal of Synchrotron Radiation” Keratinous tissues have multiple structural layers, including ordered keratin and lipid granules.
109 citations
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January 1980 in “Science of the total environment” Analyzing trace elements in human hair is complex and needs a standardized method.
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June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
July 2025 in “Journal of Investigative Dermatology” 5 citations
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January 1997 in “Birkhäuser Basel eBooks” September 2016 in “Toxicology letters” The 5050 MHA42MCS45 hydrogel blend is suitable for repairing load-bearing soft tissues.
April 1996 in “Journal of Dermatological Science” 11 citations
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January 2006 in “Journal of the American Leather Chemists Association” Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
September 2018 in “University of the Arts London Research Online (University of the Arts London)” L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.
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January 1993 Trichohyalin is a versatile protein involved in hair and skin structure.
Certain ingredients in personal care products, like formaldehyde, oxidative hair dyes, and sulfates, pose health risks and need careful review.
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January 1966 in “Archives of Dermatology” The method accurately measures hair growth with minimal risk and is better than other methods.
28 citations
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March 1993 in “Journal of Cell Science” Keratins K4 and K13 form stable dimers in mature esophageal cells, aiding cell stability.
February 2026 in “UiTM Institutional Repositories (Universiti Teknologi MARA)” Cis-UCA can form new compounds without enzymes, and sulphide donors reduce its UVB-induced toxicity in skin cells.
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November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
226 citations
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January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
4 citations
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July 2020 in “Research Square (Research Square)” The research helps understand how finasteride works and aids drug development.
23 citations
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January 1981 Hair is mostly made of three protein types: helical, high-sulfur, and high-tyrosine.
3 citations
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September 2018 in “Journal of Structural Biology” Oxidized trichocyte keratin has a helical dislocation in its structure.
46 citations
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December 1992 in “Journal of Investigative Dermatology” Minoxidil decreases LH expression, while hydralazine has mixed effects on prolyl and lysyl hydroxylase activities.
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October 2002 in “The Journal of Clinical Endocrinology & Metabolism” Enzyme activities do not cause early pubic hair in these girls.
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July 1993 in “Journal of Investigative Dermatology” 7 citations
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December 1970 in “Biochimica et Biophysica Acta (BBA) - Protein Structure” 42 citations
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February 1996 in “Journal of Investigative Dermatology” Polyamines, especially spermidine, are essential for hair growth.
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November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.