Optical coherence tomography to evaluate the effectsof oxidative hair dye on the fiber
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Skin Research and Technology
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Background/purpose: Oxidative hair dyes can damage the hair, since these chemical procedures are involved to change the fiber structure and therefore changes in their mechanical and surface properties. Evaluate and compare the effect of the two colors of oxidative hair dye emulsions on Caucasian hair. This research analyzed the Dark brown hair untreated (I); Dark brown hair treated with light brown dye (II); Dark brown hair treated with light blond dye (III); Light blond hair untreated (IV); Light blond hair treated with light brown dye (V); Light blond hair treated with light blond dye (VI) on Caucasian hair. Methods: The hair samples were submitted to breaking strength, color, and optical coherence tomography (OCT) analysis. Results: For the breaking strength assay no presented statistically significant differences between treatments. The parameters of color and brightness can differ in some hair dye formulations, but also the hair type can respond differently. The OCT images of the sample I and IV was possible observed, clearly Medulla and Cortex, which was not observed clearly after treatment with both oxidative hair dye colors. Conclusion: Based on the results, the oxidative hair dyes increased alteration in color and ultrastructure of hair.
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VELASCO, MARIA V.R.; ABREU, SIMONE R.P. de; FREITAS, ANDERSON Z. de; BEDIN, VALCINIR; BADY, ANDRE R.; GAMA, ROBSON M. da. Optical coherence tomography to evaluate the effectsof oxidative hair dye on the fiber. Skin Research and Technology, v. 22, p. 430-436, 2016. Disponível em: http://repositorio.ipen.br/handle/123456789/26545. Acesso em: 30 Jun 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.