16 citations
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May 2017 in “Journal of cosmetic dermatology” In this clinical study, the use of potentiated zinc pyrithione shampoo improved scalp health and hair surface characteristics, suggesting that unhealthy scalp conditions may negatively impact pre-emergent hair's cuticle surface.
27 citations
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February 1991 This study found that extensive cuticle damage from diperisophthalic acid oxidation did not alter the tensile properties of human hair, suggesting that these properties are mainly due to the cortex rather than the cuticle.
73 citations
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May 2009 in “Proceedings of the National Academy of Sciences” This study found that disrupting the Sox21 gene in mice led to progressive hair loss and regrowth, identifying Sox21 as a key regulator of hair shaft cuticle differentiation.
May 2026 in “International Journal of Cosmetic Science” This study found that repeated exposure to ozonated water caused oxidative changes in hair proteins, lipids, and pigments, leading to altered hair properties, with minimal effects on shine and color.
29 citations
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August 2011 in “PubMed” This study found that selected polymeric pretreatments on hair can significantly reduce breakage and protect against thermal damage from hot flat irons by maintaining cuticle integrity and moisture.