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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.
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May 2013 in “PubMed” Glycylglycine makes hair softer by improving alignment and changing hair's internal properties.
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September 2016 in “Journal of Photochemistry and Photobiology B Biology” UV exposure damages hair, increasing thiols and altering protein structure.
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September 2005 in “International Journal of Dermatology” Hair shape is determined by genetic, molecular, and cellular factors.
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July 2022 in “International Journal of Cosmetic Science” Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
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July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
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February 2015 in “Experimental Dermatology” Keratins are crucial for hair strength, and mutations in certain keratin genes cause hair disorders.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.
January 2024 in “Seven Editora eBooks” Different techniques measure hair properties to ensure cosmetic products work.
June 2023 in “Frontiers in Genetics” Genes related to calcium signaling and lipid metabolism are important for curly hair in Mangalitza pigs.
September 1972 in “大会学術講演梗概集. 構造系” The document explains common hair disorders and the basics of hair anatomy and life cycle.
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March 2006 in “Seminars in cutaneous medicine and surgery” The document explains how to identify different hair problems using a microscope.
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October 2007 in “PubMed” Polyquaternium-70 shampoo is best for reducing frizz.
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January 2017 Hair movement can indicate hair quality and health.
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October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
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March 2021 in “Journal of Surfactants and Detergents” Shampoo B, which uses water-soluble silicone, is better at detangling hair in wet conditions due to its two-layer conditioning film.
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June 2018 in “Annales de dermatologie et de vénéréologie” Hair care products can cause skin irritation and allergies.
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May 1983 in “Acta dermato-venereologica” The hairpiece matted due to weathered hair after shampooing.
December 2023 in “Journal of molecular structure” Hair treatments and dehydration affect hair's lipid and protein behavior, influencing its flexibility and appearance.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
September 2014 in “Journal of the American Academy of Dermatology” The girl likely has Loose anagen hair syndrome, which may improve on its own or with minoxidil.
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November 2023 in “Journal of Advanced Research” New methods may change hair color and shape from the root, revolutionizing hair styling.
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July 2004 in “International Journal of Cosmetic Science” Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.
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June 2002 in “International Journal of Cosmetic Science” Advancements in hair keratin research could lead to better hair health treatments.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
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July 1935 in “Nature” Animal hair can curl tightly on its own, especially in foxes, due to changes in keratin.
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August 1993 in “Colloid & Polymer Science” The observed "toughening" in keratin was actually due to water evaporation, not a real change in keratin.