11 citations,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
6 citations,
February 2021 in “Proteins” Researchers found that the most reachable bonds in wool fibers are near the ends of certain proteins, which help stabilize the fiber's structure.
1 citations,
January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
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.
52 citations,
February 2005 in “Biopolymers” Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
51 citations,
September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
30 citations,
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.
29 citations,
August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
20 citations,
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.
16 citations,
November 2015 in “Journal of Molecular Structure” Finasteride crystals are held together by hydrogen bonds and weak interactions, forming synthon pseudopolymorphs.
13 citations,
May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
11 citations,
September 1996 in “Journal of applied polymer science” Potassium cyanide treatment changes hair's disulfide bonds, making it more elastic.
7 citations,
January 1981 in “Springer eBooks” Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.
4 citations,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
4 citations,
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.
1 citations,
December 2012 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
11 citations,
April 2021 in “Advanced synthesis & catalysis” PXX is an effective and affordable photocatalyst for creating new chemical bonds in organic synthesis.
2 citations,
December 2008 in “Journal of Chemical Crystallography” The research shows that hydrogen bonds greatly affect the crystal structure of a Finasteride derivative.
30 citations,
August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” TGase 3 helps build hair structure by forming strong bonds between proteins.
2 citations,
January 2015 in “Sen'i Gakkaishi” Washing permed hair after using thioglycolic acid helps reform strong bonds, making hair stronger.
5 citations,
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.
15 citations,
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with extra human KLK14 had hair and skin problems, including weaker cell bonds and inflammation, linked to Netherton syndrome.
4 citations,
July 2022 in “International Journal of Cosmetic Science” Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
109 citations,
January 1980 in “Science of the total environment” Analyzing trace elements in human hair is complex and needs a standardized method.
91 citations,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
47 citations,
January 2017 in “RSC Advances” Keratin peptides can change hair shape gently without harsh chemicals.
36 citations,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
25 citations,
December 2011 in “Surface and interface analysis” Bleaching hair causes significant damage by breaking down proteins and fatty acids.
24 citations,
July 2017 in “Structure” FGF9 controls which receptors it binds to through a process where two FGF9 molecules join, and changes in FGF9 can lead to incorrect receptor activation.