V. Infante, P. M. Campos
Dec 1, 2019
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Abstract
The texture properties of formulations can be related to their sensory properties, and the correct choice of raw materials is an important tool to improve the sensorial properties of cosmetic formulations. This way, the objective of this study was to evaluate the physical-mechanical properties of different polymers applied in the cosmetic formulations and analyze how their concentration can affect these parameters. Twelve gel formulations were developed with four different polymers often used in cosmetic formulations in different concentrations: Ammonium Acryloyldimethyltaurate/VP Copolymer, Hydroxyethylcellulose, Polyacrylamide (and) C13-14 Isoparaffin (and) Laureth-7, and Acrylates/C10-30 Alkyl Acrylate Crosspolymer. The system of physical-mechanical properties analysis was applied to characterize the texture profile in different parameters, as the cohesiveness and viscosity. The analysis of the obtained data showed that higher concentration of acrylate polymer is necessary to obtain a significant influence in the physical-mechanical parameters of the formulation. The parameter most affected by the hydroxylethylcellulose was the work of shear. The blend of Polyacrylamide (and) C13-14 Isoparaffin (and) Laureth-7 showed the most pronounced alterations in the texture profile. Ammonium Acryloyldimethyltaurate/VP Copolymer did not alter the physico-mechanical properties of the formulations studied and Acrylates/C10-30 Alkyl Acrylate Crosspolymer altered the texture parameters only when used in the lowest and the highest concentrations in the formulations. Finally, the type of polymers could result in formulations with different physicomechanical properties, reflecting its performance when applied on the skin.