QUALITY ASSESSMENT OF HANDMADE SOAPS, PLANT-BASED OILS, AND SKINCARE CREAMS: PHYSICOCHEMICAL AND MICROBIOLOGICAL ANALYSIS
DOI:
https://doi.org/10.24193/subbchem.2025.4.08Keywords:
handmade cosmetic products, microbiological analysis, total alkali, peroxide index, acidity indexAbstract
The aim of this study was to evaluate the quality and safety of handmade cosmetic and hygiene products through physicochemical and microbiological determinations, prior to their placement on the market. Three types of samples were analyzed, namely: solid soaps, creams, and cosmetic oils, using standardized methodologies compliant with current European and international regulations. The results demonstrated variations in pH, moisture levels, total alkali and Total Fatty Matter (TFM) content and viscosity, as well as quality indices in the case of oils, alongside the absence of pathogenic microorganisms, with detection occurring in only one sample. Additionally, Gas chromatograph coupled with mass spectrometer (GC-MS) and Fourier transform infrared spectroscopy (FTIR) analyses were performed on representative samples. These findings emphasize the necessity of continuous monitoring and quality assessment of cosmetic products to ensure consumer safety.
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