While sold as green, biodegradable wet wipes can do a lot of damage to the environment and linger in waterways for years and kill wildlife. In Britain alone, more than 11 billion wet wipes are disposed of every year, and the items induce bulk pollution. Wet wipes, even so-called biodegradable wet wipes, generally consist of non-plastic materials such as cotton, rayon, or viscose, which take months or weeks to degrade, on 72% of British beaches in 2023. Along the way, they shed microfibers that pollute oceans, rivers, and even our seafood. As plastic in wet wipes has been banned in the UK since 2024, companies have turned to non-plastic varieties, but science suggests that they may be equally destructive, full of toxic chemical additives that disrupt aquatic life and human health. Greater transparency and test runs are necessary to know real sustainable choices.

Wet wipes are a household favourite in the UK, being used to clean babies and the home. They are now, however, a rising environmental issue. Billions of wet wipes are flushed down the toilet or left on the ground each year, flowing into rivers, seas, and washing up on beaches. Wet wipe litter was found on 72% of beaches in the UK in 2023 and it is apparent from this just how massive the issue has become. The UK government's 2024 plastic-based wet wipes ban aimed at resolving the matter of such wasteful products by promoting non-plastic substitutes, which typically bear a "biodegradable" tag. Made from plant or animal fibre such as cotton or chemically treated substances such as rayon, such substitutes appear with an "eco-friendly" tag. Nonetheless, studies indicate that the products take a few weeks or even months in the environment before degrading into microfibres contaminating water bodies and ruining ecosystems.

Non-plastic wipes, far from being as innocent-sounding as they appear, are themselves very different from their so-called biodegradable image. Research at the University of Stirling has established that the wipes remain for a maximum period of 15 weeks on beaches, where the same become hotspots for E. coli bacteria breeding. On rivers and seas, the wipes remain for a period of two months or even longer, breaking down into millions of microfibers. These tiny fragments of plastic have been found in sea animals across the food chain, from filter-feeding mussels to predators like sharks. Microfibers have even turned up in distant locations, the bed of the Arctic Ocean for instance, thousands of miles from human habitation. This is what allows microfibers to accumulate in the environment and harm animals, and potentially enter the human food chain through contaminated seafood.

The environmental degradation brought about by non-plastic wet wipes is further augmented by chemicals used in manufacturing. Chemicals such as flame retardants, antibacterials, softeners, UV protectants, and colorants are included in the manufacturing process to improve their functionality. These include chemicals such as bisphenol A (BPA) that have proven to be harmful and may potentially be carcinogenic, neurotoxic, or endocrine disruptors. Microfibers ingested by or inhaled by aquatic organisms will be detrimentally affected by these chemicals. Studies have identified that microfibers that are not plastic harm the digestive tracts of aquatic animals such as shrimp, mussels, and oysters, stress them, inhibit growth, and destroy their immune systems. Yet some studies found little or no effect, so the entire danger is not clear. That the makeup of these textiles is invisible to manufacturers complicates estimating their actual contribution to the environment.

The premise that biodegradable wipes are safer than plastic wipes is still being disproved. Of course, they degrade faster than plastics, which take decades, even centuries, to degrade, but non-plastic wipes also do a tremendous amount of damage while present in the environment. They discharge microfibers and contain poisonous additives, so they are certainly not an eco-friendly substitute. In response to this, experts are demanding more transparency in wet wipe production and rigorous testing to secure their environmental safety. The consumers can also be encouraged to challenge the green labeling language and check the actual effect of what they are consuming. 

Wet wipe pollution is not just an environmental issue but also a matter of pragmatism to infrastructure. Wet wipes are responsible for sewer clogs, which cost the UK millions of pounds annually to have cleared. Spills of sewage can result from these clogs, further contaminating waterways. Public education campaigns and enhanced waste disposal systems must be implemented to lessen the influence of wet wipes. More environmentally friendly alternatives, including reusable cloths or truly compostable products, could present more environmentally friendly choices, but these must be thoroughly tested to determine if they are up to environmental standards.

In summary, biodegradable wet wipes can be sold as an eco-friendly option, but their overall impact is still significant. They still clog waterways, emit toxic microfibers, and contain poisonous additives that kill wildlife and the environment. The UK ban on plastic wet wipes is welcome news, but plastic alternatives are not as black and white as they sound. More transparency, more control, and consumer education are needed to combat this underlying environmental menace. The next time you grab a package of biodegradable wet wipes, think about how much they actually cost the environment.

Source: This content is a reproduction of content originally published by The Conversation, authored by Daniel James Jolly, edited by Lisa Lock, and approved by Andrew Zinin.