Hair coloring and bleaching can permanently break down hair protein and temporarily change its properties.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
17 citations
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January 2016 in “Journal of Drug Delivery” PEG and keratin scaffolds can effectively deliver protein drugs by controlling release based on pH levels.
11 citations
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April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
1 citations
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February 2014 in “Analytical Letters” The method accurately measures the amount of ketoconazole in anti-dandruff shampoo and cream, and can also be used to monitor the drug in human plasma.
30 citations
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January 2009 in “The scientific world journal/TheScientificWorldjournal” Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
51 citations
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September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
13 citations
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November 2007 in “Journal of Structural Biology” Keratin heterodimers are preferred for their specific and structural advantages.
6 citations
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August 2004 in “Journal of Chemical Information and Computer Sciences” The research found a link between certain molecular features and the biological activity of BC3, which can help identify or create new active compounds.
June 2024 in “European neuropsychopharmacology”
5 citations
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April 2005 in “Journal of applied polymer science” PEI diffuses into hair at a constant rate, and urea speeds up this process.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
March 2021 in “Research Square (Research Square)” Ketoconazole's structure and dynamics are linked, aiding antifungal drug development.
Chemical treatments weaken hair's thermal stability and structure.
3 citations
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July 2017 in “Journal of Molecular Graphics & Modelling” The study found that baicalin has different stable shapes in gas and water, with two shapes better for interacting with positive charges in water.
11 citations
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December 2010 in “Journal of Inclusion Phenomena and Macrocyclic Chemistry” Finasteride's solubility and bioavailability improved by forming solid dispersions and inclusion complexes.
1 citations
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March 2025 in “Journal of Society of Cosmetic Chemists of Japan” BECD helps straighten wavy hair by reducing undulation.
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.
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17 citations
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January 2023 in “International Journal of Cosmetic Science” Hydrophobic interactions affect virgin hair, while electrostatic interactions are key for bleached hair.
10 citations
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January 1994 Hair can be straightened using different chemicals, not just strong alkali.
7 citations
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December 1970 in “Biochimica et Biophysica Acta (BBA) - Protein Structure”
1 citations
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November 2023 in “Research Square (Research Square)” DiZyme accurately predicts nanozyme activities to aid in discovering new applications.
October 2023 in “Journal of Molecular Liquids” A new method using imidazole-based liquids efficiently extracts keratin from yak hair.
1 citations
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June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
January 2007 in “Zhōnghuá yàoxué zázhì” The method effectively showed that the two exemestane preparations are bioequivalent.
2 citations
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January 2016 in “Scientifica” Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.
January 2023 in “Neuroscience applied” People with an imbalance between their cognitive and emotional empathy have lower levels of the hormone oxytocin in their hair.
20 citations
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December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.