New Composite Materials Based on Chitosan Films Reinforced with Chitin Nanofibrils for Cosmetic Application

Bioactive biodegradable chitosan films containing chitin nanofibrils have been developed for use as face masks in cosmetology. It was found that thermal modification of chitosan films promotes the transformation of the polymer into insoluble form without the use of alkali or aldehydes. The structure...

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Bibliographic Details
Published in:Cosmetics (Basel) 2023-04, Vol.10 (2), p.51
Main Authors: Kodolova-Chukhontseva, Vera V., Rozova, Elena Y., Dresvyanina, Elena N., Nashchekina, Yulia A., Dobrovol’skaya, Irina P., Vlasova, Elena N., Bystrov, Sergey G., Popova, Elena N., Maslennikova, Tatiana P., Yudin, Vladimir E., Morganti, Pierfrancesco
Format: Article
Language:English
Subjects:
Acids
Aging
Aldehydes
Aqueous solutions
Atomic force microscopy
Chitin
chitin nanofibrils
Chitosan
composite films
Composite materials
cosmetic masks
Cosmetics
Cosmetology
Fibroblasts
Investigations
Mechanical properties
Polymer solubility
Production processes
Skin care products
Spectroscopy
thermal modification
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Summary:Bioactive biodegradable chitosan films containing chitin nanofibrils have been developed for use as face masks in cosmetology. It was found that thermal modification of chitosan films promotes the transformation of the polymer into insoluble form without the use of alkali or aldehydes. The structure and properties of the films were studied by IT spectroscopy, atomic force microscopy, thermogravimetric analysis, and X-ray structural analysis. Analysis of infrared (IR) spectra showed that the addition of nanofibrils accelerates the process of thermal transformation in the composite films. This is apparent from the observed increase in the intensity ratio of 1030 cm−1\1580 cm−1 peaks in the spectrum of the thermally treated film (as compared to the spectrum of the initial sample and the spectrum of a chitosan film without chitin nanofibrils). The prepared composite films containing chitin nanofibrils possess improved mechanical characteristics: tensile strength 99 MPa and tensile strain 14%. The tetrazolium bromide (MTT) test revealed good viability of human dermal fibroblasts cultivated in the presence of the conditioned medium obtained after incubation of all types of films in the nutrient medium. The used process of thermal modification of chitosan and composite films (which is efficient and environmentally safe) allows one to prepare bioactive materials for applications in medicine and cosmetology.
ISSN:2079-9284
2079-9284
DOI:10.3390/cosmetics10020051