28 citations
,
December 2011 in “Biocatalysis and biotransformation” This study found that a peptide treatment using Protein disulphide isomerase improved the mechanical and thermal properties of over-bleached hair by promoting deeper peptide penetration and attachment.
11 citations
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March 2005 in “International Journal of Cosmetic Science” This study found that the Bradford assay is a sensitive and reproducible alternative to the Lowry test for quantifying hair protein loss during brushing, with bleached hair releasing more protein than virgin hair.
8 citations
,
January 2016 in “Journal of fiber science and technology” This study found that cysteic acid generation during hair bleaching is diffusion-controlled, increasing with the square root of bleaching time, in both cuticles and cortex of human hair fibers.
4 citations
,
August 2014 in “Journal of molecular structure” In this study, the authors concluded that a hydrolyzed eggwhite protein treatment promoted the reconnection of disulfide bonds in excessively bleached hair, after reduction and oxidation processes in permanent waving.
September 2026 in “AlQalam Journal of Medical and Applied Sciences” This study found that a combination of Ziziphus lotus, Linum usitatissimum, and Opuntia ficus-indica extracts may reduce porosity and improve surface condition in bleached hair when used as a conditioner.