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January 2015 in “Biochemical Society Transactions” The Ysc84/SH3yl1 protein family is important for cell movement and the process of taking in materials by interacting with actin and cell membranes.
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
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December 2004 in “Bioorganic & Medicinal Chemistry Letters” Scientists found new, better-working inhibitors for a hormone-related enzyme.
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September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
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October 2003 in “Journal of applied polymer science” 2-iminothiorane hydrochloride improves hair waving permanence without damage.
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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.
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January 1968 in “PubMed” Sulfur-containing radioprotectors can protect hair from X-ray damage if given before exposure but worsen damage if given after.
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March 2005 in “International Journal of Cosmetic Science” Oxidation changes human hair by breaking down fats and forming new acidic groups, affecting how it interacts with conditioners and cosmetics.
April 2025 in “International Journal of Cosmetic Science” A new hair perming method avoids damage and lasts longer than traditional methods.
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July 2015 in “Journal of Molecular Structure” Finasteride crystals are held together by hydrogen bonds and weak interactions, forming synthon pseudopolymorphs.
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December 2020 in “International journal of biological macromolecules” Treatments improved hair surface and scale structure but didn't increase certain bonds in the hair cortex.
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December 1994 in “International Journal of Cosmetic Science” Polymer complexation makes hyaluronic acid stick to hair better, enhancing its moisturizing effects.
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January 2015 in “Sen'i Gakkaishi” Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.
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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.
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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.
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January 2026 in “Molecules” A new perming method is less damaging to hair and works as well as traditional methods.
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October 2006 in “Steroids” New sulfur-containing steroid analogs show promise for more targeted medical treatments.
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December 2008 in “Journal of Chemical Crystallography” The research shows that hydrogen bonds greatly affect the crystal structure of a Finasteride derivative.
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January 1989 Two patients had a unique form of trichothiodystrophy with reduced high-sulfur proteins in their hair.
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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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May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
May 2010 in “Europe PMC (PubMed Central)” Near-infrared probes can safely and effectively image cysteine protease activity for disease diagnosis.
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October 2016 Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.