4 citations
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April 2025 in “Antioxidants” This study found that α-ketoglutarate protected dermal papilla cells from oxidative stress by enhancing the Nrf2 pathway and mitigating cell damage through the ERK/Nrf2 axis.
31 citations
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June 2010 in “Journal of dermatology” In this study, hair bleaching with ammonium persulfate and hydrogen peroxide caused significant damage to hair structure and severe skin reactions in rats, highlighting the need for cautious bleaching procedures.
August 2026 in “Molecules” This study found that Eucommia ulmoides bark extract shows potential antioxidant and hair follicle-support properties in vitro and in vivo, but further validation is needed to confirm these effects.
September 2018 in “University of the Arts London Research Online (University of the Arts London)” This study assessed three materials—L-arginine, hydrolysed keratin, and cystine-silanol copolymer—ex vivo for their potential to reduce undesirable effects of hair bleaching, such as damage to hair proteins.
40 citations
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February 2002 in “International Journal of Dermatology” In this study, hair damaged by permanent dye showed signs of recovery over time, with near complete restoration to its original state after eight weeks.