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Scanning electron microscopy approach for evaluation of hair dyed with Lawsonia inermis powder: in vitro Study / Método de microscopía electrónica de barrido para la evaluación de cabello teñido con extracto de Lawsonia inermis: estudio in vitro
Bianchi, Serena; Bernardi, Sara; Continenza, Maria Adelaide; Vincenti, Eleonora; Antonouli, Sevastiani; Torge, Diana; Macchiarelli, Guido.
  • Bianchi, Serena; University of L'Aquila. Department of Life, Health and Environmental Sciences. IT
  • Bernardi, Sara; University of L'Aquila. Department of Life, Health and Environmental Sciences. IT
  • Continenza, Maria Adelaide; University of L'Aquila. Department of Life, Health and Environmental Sciences. IT
  • Vincenti, Eleonora; University of L'Aquila. Department of Life, Health and Environmental Sciences. IT
  • Antonouli, Sevastiani; University of L'Aquila. Department of Life, Health and Environmental Sciences. IT
  • Torge, Diana; University of L'Aquila. Department of Life, Health and Environmental Sciences. IT
  • Macchiarelli, Guido; University of L'Aquila. Department of Life, Health and Environmental Sciences. IT
Int. j. morphol ; 38(1): 96-100, Feb. 2020. tab, graf
Article in English | LILACS | ID: biblio-1056404
ABSTRACT
During aging, usually graying of the hair occurs as a result of oxidative stress. Driven by social acceptance and self-perception of the exterior appearance, both men and women rely on hair dyeing products, in order to mask the graying hair. At the same time, a frequent use of synthetic products and treatment can damage the hair shaft; for this reason, this study aimed to evaluate the morphological effect of the herbal dye derived from Lawsonia inermis (henna), on hair. Dyed hairs were evaluated by means of SEM. Subsequently, they were compared, qualitatively and quantitatively, with undyed hairs. Results showed a positive impact on the cuticula pattern and on the diameters of the examined samples, after henna application. Different results, about the degree and the type of morphological changes occurring on pigmented hairs, may depend on the phenotype and on the health condition of hair, before dye treatment.
RESUMEN
Durante el envejecimiento, generalmente se produce el envejecimiento del cabello como resultado del estrés oxidativo. Motivados por la aceptación social y la autopercepción de la apariencia, tanto hombres como mujeres confían en productos para teñir el cabello para enmascarar las canas. Al mismo tiempo, el uso frecuente de productos y tratamientos sintéticos puede dañar el tallo del cabello. Por esta razón, este estudio tuvo como objetivo evaluar el efecto morfológico del tinte derivado de Lawsonia inermis (henna) en el cabello. Los cabellos teñidos se evaluaron mediante SEM. Posteriormente, se compararon, cualitativa y cuantitativamente, con cabellos sin teñir. Los resultados mostraron un impacto positivo en el patrón de la cutícula y en los diámetros de las muestras examinadas, después de la aplicación de henna. Los diferentes resultados, sobre el grado y el tipo de cambios morfológicos que ocurren en los cabellos pigmentados, pueden depender del fenotipo y del estado de salud del cabello, antes del tratamiento con tinte.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Microscopy, Electron, Scanning / Hair Follicle / Lawsonia Plant / Hair Dyes Type of study: Qualitative research Limits: Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2020 Type: Article Affiliation country: Italy Institution/Affiliation country: University of L'Aquila/IT

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Full text: Available Index: LILACS (Americas) Main subject: Microscopy, Electron, Scanning / Hair Follicle / Lawsonia Plant / Hair Dyes Type of study: Qualitative research Limits: Humans Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2020 Type: Article Affiliation country: Italy Institution/Affiliation country: University of L'Aquila/IT