3 citations
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April 2025 in “International Journal of Cosmetic Science” This research found that the Hair & Scalp CARE questionnaire is an effective tool for assessing the impact of scalp and hair condition on psychological wellbeing, and suggests healthier hair and scalp are linked to lower stress and better sleep.
January 2025 in “International Journal of Cosmetic Science” This study found that citric acid treatment can significantly improve the structural integrity and mechanical properties of chemically treated hair, reducing damage by increasing keratin crosslinking density and decreasing crystallized calcium soaps, with varying effectiveness depending on the type of chemical treatment.
August 2024 in “Cosmetics” In this study, a bleaching protocol was developed to evaluate hair repair products, revealing that K18® and Olaplex® improve hair brightness and lightness, with distinct impacts on hair fiber properties.
January 2024 in “International Journal of Cosmetic Science” This study found that 1,4-n-butylene dimaleate can restore the mechanical properties of reduced hair by reconnecting disulfide bonds and improving the hair's structural integrity using a thiol-Michael click reaction, compared to untreated reduced hair.
19 citations
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April 2021 in “Journal of Cosmetic Dermatology” This study found that a hair care treatment using integral silk proteins and linseed-derived polysaccharides effectively protected and repaired bleached and colored hair swatches, significantly improving their resistance, luster, and reducing structural damage after chemical treatments.
5 citations
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December 2020 in “International journal of biological macromolecules” This study found that shikimic acid- and maleate-based hair repair agents modified the structure of hair fibers, though they did not increase disulfide bridge content in the hair cortex.
25 citations
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May 2019 in “Cosmetics” This paper reviews the surface degradation of hair and describes how combining 18-MEA with specific surfactants can maintain hydrophobicity on bleached and weathered hair surfaces.
1 citations
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March 2019 in “Journal of AOAC INTERNATIONAL” New method quickly and accurately measures dexpanthenol in hair products.