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.
31 citations
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June 2010 in “Journal of dermatology” Hair bleaching causes significant damage to hair and skin.
April 2017 in “Journal of Investigative Dermatology” 10% carbamide peroxide is safe and effectively reduces mild to moderate acne.
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.
May 2026 in “Brazilian Journal of Hair Health” Bleaching damages hair the most, while dyes improve combability but still cause protein loss.