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.
30 citations
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September 2018 in “International Journal of Cosmetic Science” Bleaching hair causes severe structural and chemical damage, including protein loss and oxidation.
4 citations
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August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
7 citations
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January 1995 Silicone pretreatment protects hair from damage and reduces color fading without interfering with bleaching or dyeing.
20 citations
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January 2003 in “Journal of oleo science” Chemical treatments and daily stresses damage hair, especially the cuticle layer.