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The Raman spectroscopy and SEM/EDS investigation of the primary sources of microplastics from cosmetics available in
Agnieszka Dąbrowska1, Maria Mielańczuk2, Marcin Syczewski3
1University of Warsaw, Faculty of Chemistry, Laboratory of Spectroscopy and Intermolecular Interactions, Pasteura 1 Str., 02-093, Warsaw, Poland; University of Warsaw Biological and Chemical Research Centre, Żwirki i Wigury 101 Str., 02-089, Warsaw, Poland.
Abstract:
The increasing amount of marine microplastics and nanoplastics is due to primary (P-MPs) and secondary sources (S-MPs). Among small P-MPs and fibres from textiles, nurdles or industrial dust, the microbeads from cosmetics (peelings, scrubs) are dominant. The polyethylene and polypropylene debris, already <5 mm, enlarge Plastisphere and have a complex influence on environmental processes. Fortunately, the situation has changed with the limitation of synthetic materials in scrubs in recent years. This paper summarizes the six years of studies (2015-2021) on microplastics in cosmetics available on the Polish market. It focuses on those still available and presents the potential of Raman spectroscopy for the efficient qualitative and quantitative characterization of those materials. Finally, surface morphology's vital role in microplastics' general behaviour is underlined. The SEM/EDX and numerical modelling enables a more detailed description of particles.
