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Determination of Liquid Detergent Pods as a Potential Microplastic Source
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This study tested whether the water-soluble film pods used in laundry detergent capsules leave microplastic residues, finding measurable plastic particles released during washing. Even products marketed as convenient may contribute to microplastic pollution entering waterways through household drains.
Washing pods became a popular way to add detergent to washing machines. Despite the claims about the degradability of the pod film, the sludge in pipes can be observed after the usage of such pods. This study fo-cused on a quantitative and qualitative analysis of washing pod films as a source of microplastic.
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Lack of Evidence for Microplastic Contamination from Water-Soluble Detergent Capsules
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Researchers tested 39 brands of water-soluble detergent capsules from four EU countries for microplastic release, finding no evidence that the capsule materials themselves shed microplastics into laundry or dishwasher wastewater. They found that microplastics detected in laundry wastewater originated from PET textiles rather than capsule composition, and that the Guppyfriend bag outperformed the Cora Ball in capturing shed fibers.
Microplastic label in microencapsulation field – Consequence of shell material selection
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This review examines whether microcapsules used in consumer products like laundry detergents and fabric conditioners should be classified as microplastics under proposed EU regulations. Many of these tiny polymer shells are not biodegradable and could persist in aquatic environments after product use, making their regulatory classification important for reducing intentional microplastic releases. The review argues that shell material selection is the key factor determining whether a microcapsule qualifies as a microplastic, with significant implications for product reformulation across the personal care industry.
Study on Microplastics by Types of Laundry Detergent
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Researchers analysed microplastic content in five types of laundry detergent -- coin, sheet, liquid, capsule, and powder -- using FT-IR microscopy and digital microscopy after standardised pretreatment. Sheet detergents contained the highest microplastic loads at 39.0 particles per 10 g, while coin detergents had the lowest at 4.3 particles per 10 g, with most particles composed of polypropylene and polyethylene.
Approaches for Sampling and Sample Preparation for Microplastic Analysis in Laundry Effluents
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Researchers reviewed sampling and sample preparation methods for analyzing microplastics in laundry effluents. The study highlights the lack of standardized methods for quantifying textile fiber microplastics released during washing and emphasizes the need for consistent analytical approaches to better understand this significant source of microplastic pollution.
Contribution of household dishwashing to microplastic pollution
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This study quantified microplastics released during household dishwashing and found that dishwashers emit measurable quantities of synthetic particles, predominantly from plastic dishes and containers, identifying household dishwashing as a previously overlooked source of microplastic emissions.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.