30 citations
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November 2012 in “Proceedings of the Royal Society B Biological Sciences” Hard α-keratins stay stiff in water because the surrounding matrix keeps them dehydrated and strong.
5 citations
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October 2007 in “PubMed” Amino acids in conditioners improve hair strength, hydration, and color retention.
28 citations
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January 2016 in “RSC Advances” A non-toxic formula using polycarboxylic acids strengthens and improves hair.
7 citations
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March 2024 in “Scientific Reports” The neighborhood face index (NFI) accurately predicts properties of complex molecules.
8 citations
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July 2018 in “Analytical sciences” Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
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.
4 citations
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November 2017 in “Journal of Cosmetic Dermatology” Certain polymers can stick to hair and increase volume, working best at a pH of 7 to 9.
March 2026 in “Bioconjugate Chemistry” Peptide-based PROTACs show promise in targeting hard-to-treat proteins, especially for cancer therapy.
2 citations
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September 1996 in “Journal of Applied Polymer Science” Potassium cyanide changes hair's disulfide bonds to monosulfide, affecting high-sulfur proteins more.
19 citations
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November 1971 in “Clinica Chimica Acta” The document concludes that measuring γ-glutamyl transpeptidase activity is more accurate with a higher substrate concentration and using diluted acetic acid to stop the reaction.
2 citations
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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.
February 2023 in “Default Digital Object Group” 2 citations
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January 1981 High temperatures and certain chemicals can significantly change the amino acid content in human hair.
January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
18 citations
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July 2015 in “Journal of cosmetic dermatology” Straightening and coloring hair, especially with sodium hydroxide, greatly increases protein loss.
1 citations
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April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Aspartic acid at 0.75% makes perms more effective and less damaging to hair.
CCC1 is essential for pH balance and normal cell function in plants.
11 citations
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September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
January 2003 in “Pharmaceutical Journal of Chinese People's Liberation Army” The method accurately measures finasteride tablet dissolution.
35 citations
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September 1972 in “Journal of Biological Chemistry” Steroid hormone binding in rat skin varies with pH, heat, and hair cycle phases.
November 2022 in “International journal of trichology” Glyoxylic acid straighteners cause more protein loss but have similar hair strength effects as traditional alkaline straighteners.
May 2010 in “Europe PMC (PubMed Central)” Near-infrared probes can safely and effectively image cysteine protease activity for disease diagnosis.
August 2025 in “Applied Sciences” Peroxide-rich plasma-activated water is gentler on hair than nitrate-rich formulations.
4 citations
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August 2011 in “Journal of Food Biochemistry” Zinc binds to milk protein α-casein, forming stable complexes that could help fortify milk with zinc to prevent deficiencies.
29 citations
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
4 citations
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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.
12 citations
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July 2017 in “International Journal of Cosmetic Science” N‐AOHPA is a promising alternative to traditional surfactants for better hair conditioning.
6 citations
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February 2025 in “Scientific Reports” MEGA PROTAC improves prediction and ranking of protein complexes better than existing methods.
September 2025 in “International Journal of Cosmetic Science” A balanced mix of cationic guar gum and anionic surfactants improves hair conditioning and protection.
40 citations
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September 2004 in “Biomacromolecules” The Glu413Lys mutation in keratin affects hair stability, while Glu413Asp does not.