31 citations
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November 2003 in “Journal of Occupational Health” This study found that the reproductive function of female hairdressers may be negatively affected by long-term exposure to permanent-waving solutions containing thioglycolic acid, raising concerns about its potential carcinogenic effects.
November 2024 in “Biophysical Chemistry” This study analyzed the swelling behavior of human hair during permanent waving treatment, finding that both the microstructure and macrostructure of intermediate filaments swell simultaneously at the initial stage, and while partially destructed by reduction, they are considerably restored through oxidation.
8 citations
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January 2009 in “Transactions of the Materials Research Society of Japan” This study found that CMAD wool keratin may protect human hair from damage during repeated bleaching and permanent waving treatments.
10 citations
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January 2012 in “International Journal of Cosmetic Science” This study found that thioglycolic acid molecules in hair treatments are primarily located in intrafibrillar unordered areas, where they redistribute disulfide bonds.
11 citations
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August 2019 in “PubMed” This review discusses the causes, evaluation, and treatment options for hirsutism in women, but reports no new clinical results.
