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Occurrence and risk assessment of microplastics from various toothpastes

Environmental Monitoring and Assessment 2019 83 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.

Gul Sirin Ustabasi̇, Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Gul Sirin Ustabasi̇, Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal Gul Sirin Ustabasi̇, Aslı Baysal Aslı Baysal Aslı Baysal Aslı Baysal

Summary

Researchers found microplastic particles in multiple commercial toothpaste products and conducted risk assessments, determining that microbeads and other plastic additives in toothpastes represent a source of microplastic release to aquatic environments and potential human oral exposure.

Polymers

Microplastics have become a major environmental issue; their release from various products affects the aquatic environment. Personal care products such as toothpastes are recently being considered as a significant source of microplastics released to the aquatic environment. This study aims to assess the presence of microplastics found in toothpastes that are available in the drugstores and markets in Istanbul, Turkey. A total of 20 samples were tested. Following the extraction procedure, obtained particles were quantified and then characterized by microscopic evaluation and surface chemistry analysis. Twenty percent of the samples were found to contain microplastics in the structure of polyethylene at concentrations varying between 0.4 and 1%. In order to evaluate the release to environment, a risk assessment was conducted and yearly microplastic emission caused by toothpaste consumption was calculated based on the results.

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