research The role of disulfide bond formation in the structural transition observed in the intermediate filaments of developing hair 39 citations , June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
research Can hair be protected from oxidative damage during and after bleaching September 2018 in “University of the Arts London Research Online (University of the Arts London)” L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.
research Photoaggravation of hair aging 24 citations , January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
research Dissecting hair breakage in alopecia areata: the central role of dysregulated cysteine homeostasis 3 citations , May 2024 in “Amino Acids” Disrupted cysteine metabolism may cause hair breakage in Alopecia Areata, suggesting potential treatments like N-acetylcysteine.
research Repeatable Perming via Thiol–Michael Click Reaction: Using Amide Derived from Maleic Acid and Cystine January 2026 in “Molecules” A new perming method is less damaging to hair and works as well as traditional methods.