Bigels are biphasic systems produced with an organogel (or oleogel) and a hydrogel mixed together at high shear rates. These systems are promising for different uses, among them the formulation of new cosmetic matrices for cosmetic agents delivery is under investigation. In the present paper, a common cosmetic formulation for skin care was enriched with increasing fractions of monoglycerides of fatty acids/olive oil orginogels, in order to understand the rheology and the microstructure of these systems. Small amplitude oscillation tests, NMR-self diffusion analysis, contrast phase microscopy and electric conductivity confirmed that the addition of the organogel caused a microstructural change of the starting material, which turned from O/W to a more complex system where, probably, a matrix-in-matrix structure is present at the highest fractions of added organogel. (C) 2015 Elsevier Inc. All rights reserved. OI mazzulla, sergio/0000-0002-6265-2288; de cindio, bruno/0000-0001-8654-812X

Olive oil and hyperthermal water bigels for cosmetic uses

Lupi FR;GENTILE, Luigi;GABRIELE, DOMENICO
;
MAZZULLA, Sergio;Baldino N;de Cindio B.
2015-01-01

Abstract

Bigels are biphasic systems produced with an organogel (or oleogel) and a hydrogel mixed together at high shear rates. These systems are promising for different uses, among them the formulation of new cosmetic matrices for cosmetic agents delivery is under investigation. In the present paper, a common cosmetic formulation for skin care was enriched with increasing fractions of monoglycerides of fatty acids/olive oil orginogels, in order to understand the rheology and the microstructure of these systems. Small amplitude oscillation tests, NMR-self diffusion analysis, contrast phase microscopy and electric conductivity confirmed that the addition of the organogel caused a microstructural change of the starting material, which turned from O/W to a more complex system where, probably, a matrix-in-matrix structure is present at the highest fractions of added organogel. (C) 2015 Elsevier Inc. All rights reserved. OI mazzulla, sergio/0000-0002-6265-2288; de cindio, bruno/0000-0001-8654-812X
2015
Bigel; Cosmetic emulsion; Hydrogel
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Descrizione: Publisher version is available at https://www.sciencedirect.com/science/article/abs/pii/S0021979715301089; DOI: 10.1016/j.jcis.2015.08.013
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/151645
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