Wet wipes: the plastic, the 'flushable' myth and the UK ban

Here’s a product that manages to be bad in three different ways at once. A wet wipe is used for about ten seconds. Plenty of them are partly plastic. And a large share get flushed, where they knot together with cooking fat into sewer blockages, spill out of storm overflows onto beaches, or quietly shed fibres into rivers.

The UK has decided this is worth a ban. The US has decided it’s worth a label, eventually. Here’s what’s actually in wipes, what “flushable” really means, and what the new rules do and don’t fix.

How many wipes contain plastic?

The honest answer is that nobody knows precisely, and that’s part of the scandal. Wipe makers aren’t required to say what the fabric is made of.

When the UK government tried to count, its contractor reviewed products on supermarket shelves and found that only a quarter of them said whether they contained plastic. The government had to guess the rest. Its final impact assessment puts the share of plastic-containing wipes at between 25% and 50%, with a central estimate of 37.5%. That’s well down from the roughly 60% it assumed before it consulted manufacturers. The same analysis estimates that 31 billion wipes were sold in the UK in 2021, 60% of them baby wipes.

Not every official figure agrees. Northern Ireland’s environment department, DAERA, still says that an estimated 26 billion of the 30 billion wipes put on the UK market in 2021 contained plastic, which would be about 87%. The page doesn’t say where that number comes from, and it’s well above the top of the impact assessment’s range. We use the impact assessment because it’s the government’s most recent estimate and shows its working, but the gap is itself a sign of how little anyone actually knows.

The government says its lower figure is more robust because it draws on manufacturers’ own answers, not that the market has changed. Lab studies that took wipes apart do hint at a shift over time:

• A 2018 study found polyester (PET), high-density polyethylene and other plastics in some wipes sold as flushable, and PET in every non-flushable wipe it tested.
• A study published in 2020 found that half the “flushable” brands it tested were a mix of PET and cellulose. Non-flushable wipes were PET, polypropylene, or PET blended with cellulose.
• A 2025 study of 12 wipe samples found that all the flushable and “biodegradable” ones were cellulose only, while the conventional wipes still contained polypropylene and PET.

These are small samples from a few countries, so treat them as a direction of travel, not a market census. A 2023 review still concluded that more than half of “biodegradable” and “flushable” wipes are commonly made with both cellulose and synthetic fibres.

In the US, the Senate committee that handled the federal labelling bill (more on that below) stated, citing a nonwovens trade magazine, that 90% of wipes sold in the United States are non-flushable, meaning they’re not designed to go down a toilet. That’s not the same thing as containing plastic, but most conventional baby and cleaning wipes rely on synthetic fibres for strength.

“Flushable” is a claim, not a standard

There’s no legal definition of “flushable” in the UK or the US. A manufacturer can print it on a pack based on its own testing. Water companies have spent a decade trying to fix that.

What the water industry says flushable means

In 2016, water organisations around the world signed a joint statement, now backed by more than 250 of them, saying a product only counts as flushable if it breaks into small pieces quickly, isn’t buoyant and doesn’t contain plastic or regenerated cellulose such as viscose. The International Water Services Flushability Group turned key parts of that into test specifications (not the regenerated-cellulose rule), published in 2018 and updated in 2020.

In the UK, Water UK launched its own “Fine to Flush” standard in 2019, formally Water Industry Specification 4-02-06. Wipes are tested by an independent lab, WRc, and only those that pass can carry the symbol.

Both are voluntary. A wipe without the Fine to Flush mark can still say “flushable” on the front.

When the regulator stepped in

The clearest legal action was in the US. In 2015 the Federal Trade Commission settled with Nice-Pak, a big wipe maker that supplied store brands, after alleging it had falsely claimed its wipes were safe for sewers and septic tanks and broke apart shortly after flushing. In the FTC’s words, “The company’s tests did not reflect, real world household plumbing or septic conditions.” The order requires future tests to replicate real disposal conditions.

Why passing a test isn’t the end of it

Even a well-designed test can miss things. One research team found that some wipes engineered to break apart lost that ability while sitting wet in the packet, which is how every wet wipe is stored. A fresh sample might pass the test while the one at the bottom of a months-old pack doesn’t. The authors suggested testing after storage. As far as we can find, neither the industry nor the regulators have made that standard.

Fatbergs, blockages and the bill

Wipes don’t dissolve like toilet paper. In sewers they snag on rough pipe joints and roots, catch grease, and build up. That’s how you get a fatberg: wipes, fat and other debris that set into something closer to concrete than sludge.

The numbers, mostly from water companies and governments, so read them as industry estimates:

• The UK government says wet wipes contribute to 94% of sewer blockages, citing UK Water Industry Research, and that fixing them costs water companies around £200 million a year. That cost ends up on customers’ bills.
• An older 2017 study for Water UK, the industry body, put it differently: non-flushable wipes could make up around 93% of the material causing some sewer blockages. Note “some”. That’s a share of the material in the blockages it examined, not a claim that wipes cause 93% of all blockages.
• Scottish Water alone clears around 35,000 blockages a year, at about £10 million.
• In the US, a 2020 estimate by the National Association of Clean Water Agencies, cited by the Senate, put the extra cost to utilities at $441 million a year.

The most famous fatberg, found under Whitechapel in East London in 2017, was 250 metres long and weighed an estimated 130 tonnes, according to Thames Water. Lab work backs up the role of wipes: when researchers made fat deposits in the lab with different kinds of sanitary waste mixed in, the ones with wipes were the most viscous.

Where flushed wipes end up

The wipes that don’t block a pipe go one of two ways.

Through the treatment plant. Plants screen out most whole wipes, but fibres get through. The 2020 study above found white plastic fibres in shoreline sediment near a treatment plant that were comparable with fibres from wipes and sanitary towels. A 2026 study found that wipes passing through a treatment plant carried norovirus and antibiotic-resistance genes, more than plastic beads did, and that during simulated storm overflows they could act as carriers for pathogens.

Straight out of a storm overflow. In heavy rain, combined sewers in the UK and many US cities discharge untreated sewage into rivers and the sea, wipes included. The UK government’s beach data found an average of 20 wet wipes per 100 metres of beach surveyed between 2015 and 2020. In a beach-sand experiment, plastic-containing wipes stayed largely intact for 15 weeks, while compostable ones broke up. E. coli survived on all of them.

“Plastic-free” doesn’t mean it vanishes

This is the part the ban won’t fix. One research team put wipes labelled “biodegradable” into ten urban rivers. Wipes made mostly of natural cellulose lost strength fastest, about 6.7% a day, against 3.1% for wipes made mostly of regenerated cellulose such as viscose, but most wipes were still there after five weeks. An earlier experiment in stream channels found the same: both brands persisted for five weeks. Both studies measured loss of strength, a stand-in for breakdown, not complete disappearance.

So a plastic-free wipe is better than a plastic one. It’s still a wipe. It still shouldn’t be flushed, and it can still turn up on a riverbank. For how “biodegradable” claims work more broadly, see our explainer on compostable and biodegradable plastics.

The UK ban: what it does, and when

All four UK nations are banning the sale of wet wipes containing plastic. Status as of 20 October 2026:

Nation	Ban on sale and supply starts	Law
Wales	18 December 2026	Wet Wipes (Wales) Regulations 2025, WSI 2025/716
Northern Ireland	18 May 2027	SR 2025/178
England	19 May 2027	SI 2025/1218
Scotland	11 August 2027	SSI 2026/75

The English rules are typical. They ban businesses from supplying or offering to supply plastic-containing wet wipes to end users, with civil sanctions including a £200 fixed penalty. The ban covers baby wipes, make-up removal wipes, moist toilet tissue, antibacterial hand wipes and household cleaning wipes, including wet-mop pads, sold online or in shops.

What it leaves out:

• Medical uses. Wipes for medical care are exempt, and registered pharmacies can still sell plastic wipes to customers who ask.
• Business supply. Manufacturers and wholesalers can keep selling plastic wipes to businesses, councils and charities, as long as they don’t reach individual consumers.
• Making them. The ban is on supply in the UK, not manufacture. The government’s own analysis estimates UK factories export roughly a third of what they make.
• Flushing. Nothing in the ban stops a plastic-free wipe being labelled “flushable”. The government’s message is to bin wipes “even if they are labelled as flushable”, and the water minister has asked manufacturers to label accordingly. Asked, not required.

Plastic-free wipes cost more to make. Manufacturers told the government the median increase was 40% in production costs, and retailers expected around 10% on shelf prices. The cost is real, but it’s a cost of no longer selling plastic to wipe a baby’s bottom once.

Elsewhere: labels, not bans

European Union. The 2019 Single-Use Plastics Directive doesn’t ban wipes. It requires personal care and household wipes containing plastic to carry a marking warning about the plastic and how not to dispose of them, and makes producers pay towards clean-up through extended producer responsibility. Our EU single-use plastics tracker has the details.

United States. There’s no federal ban, or even a federal labelling rule yet. The WIPPES Act would require a “Do Not Flush” label and symbol on non-flushable wipes, enforced by the FTC. The House passed its version on 23 June 2025 and the Senate passed its own amended version on 22 March 2026. As of 20 October 2026, the Senate bill has sat “held at the desk” in the House since 24 March, and neither version is law.

One detail worth knowing: the bill would override state “Do Not Flush” laws that aren’t identical to it. California, Illinois and several other states already have labelling laws. A single national label is reasonable. Writing it so states can’t go further is a choice. Labelling also does nothing about plastic in the wipe itself.

What you can actually do

Ranked roughly by how sure we are it helps:

1. Never flush a wipe. Any wipe. This is the one thing with solid evidence behind it. Plastic or plastic-free, “flushable” or not, it goes in the bin. The water industry’s rule is the three Ps: pee, poo and paper. It costs nothing.
2. Use a washable cloth where a wipe isn’t essential. For cleaning, a damp cotton cloth with soap or detergent does the job; the US CDC says that in most situations, regular cleaning is enough and disinfecting is mainly for when someone is ill. For faces and babies, washable cotton cloths and water are the old method for a reason. Reusable cloths are exempt from the UK ban.
3. If you buy disposable wipes, look for “plastic-free”. In the UK this will soon be the only kind on general sale. It’s a real improvement over polyester, but the river studies above show plastic-free wipes still persist for weeks, so step 1 still applies.
4. Don’t trust “biodegradable” on a wipe. In the studies we found, it meant “breaks down eventually, under some conditions”, not “safe to flush” or “gone in days”.
5. Don’t pour fat down the sink. It’s the other half of every fatberg. Let it cool, scrape it into the bin.

Our product standard won’t list any single-use product unless every part, packaging included, is plastic-free, which in practice rules out nearly every pack of wipes. For period products, which have the same flushing problem, see our guide to tampons and pads. For household cleaning without disposables, see cleaning with less plastic.