Navegando por Assunto "Vegetable oil"

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    Photobiomodulation as a strategy to enhance argan oil permeation across diverse hair types
    (Elsevier) Susigan, Bianca Felippe; André, Luana Prado; Lyra, Lucas Ferreira; Sakane, Kumiko Koibuchi; Pinto, Juliana Guerra; Strixino, Juliana Ferreira
    Photobiomodulation (PBM), which employs low-intensity laser light, stimulates biological processes, promoting hair growth, thickness, and regeneration without thermal damage. This study aimed to evaluate and compare the impact of photobiomodulation using amber LED combined with infrared laser on the permeation of argan oil in different types of hair fibers. The research involved samples of African and Asian hair treated with PBM and argan oil, divided into control and experimental groups. The analysis included confocal fluorescence microscopy, scanning electron microscopy (SEM), and FTIR-ATR spectroscopy, revealing significant improvements in cuticle sealing and oil permeation, particularly in Asian hair. African fibers, while showing less sealing, also exhibited notable structural changes. The infrared spectra of the samples processed using PBM with argan oil showed statistically significant differences in the regions of the Amide A, I, and II bands, which are related to the proteins in the samples. The combination of PBM with argan oil proved promising for reconditioning and protecting hair fibers, with potential applications in the cosmetic industry to meet diverse hair care needs.