Avaliação de diferentes condicionadores quanto ao perfil de textura e resistência a tração de cabelos
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Data
2019-12-09
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Editor
Universidade Federal de Goiás
Resumo
Human hair is characterized by being a complex integrated system of various morphological components that act as a unit. It has in its composition three main components which are the cuticle, the cortex and the medulla. There are several factors that damage the hair fiber among them are solar radiation, combing, pollution, endogenous factors, cleaning, chemical treatments such as dye, straightening and cauterization. Cosmetic hair treatments such as conditioners alter some of the physical properties of hair, as they act by depositing themselves in the cuticles, reaching the cortex, determining mechanical properties of the fiber, such as strength and elasticity. Thus the present study aimed to evaluate three different commercial conditioners with respect to texture analysis (Back Extrusion), tensile test and microscope analysis. Through the tests performed it was possible to determine viscosity indexes, firmness, cohesiveness and consistency of the conditioners, as well as the tension of the wires in relation to the tensile, rupture, and their mode of elasticity. The conditioners partially met their objectives of improving hair properties, however there were no significant differences between the samples analyzed regarding the maximum tensile strength. Currently, there are few studies evaluating the activity of conditioners. Thus, it is necessary to develop new research, as well as open space for discussion, since it is a topic of its relevance and needs to be further explored.
Descrição
Palavras-chave
Cabelo humano, Condicionadores, Extrusão, Teste de tração, Human hair, Conditioners, Extrusion, Tensile test
Citação
BORGES, Ohary de Sousa; MATA, Sara Cardoso da. Avaliação de diferentes condicionadores quanto ao perfil de textura e resistência a tração de cabelos. 2019. 31 f. Trabalho de Conclusão de Curso (Graduação) - Faculdade Farmácia, Universidade Federal de Goiás, Goiânia, 2019.