The EU is cracking down on “sustainable” fashion claims

“Sustainable.” “Eco-friendly.” “Green.” “Conscious.”

Walk into almost any fashion store—or scroll through one online—and you'll find these words everywhere.

A polyester dress can be part of a “conscious collection.” A pair of trainers might come with a green leaf symbol. A brand can describe itself as sustainable without immediately telling you what, exactly, makes it sustainable.

From 27 September 2026, the rules around this language are getting much stricter in the European Union.

Directive (EU) 2024/825, known as the Empowering Consumers for the Green Transition Directive, introduces new rules designed to protect European consumers from misleading environmental claims and unreliable sustainability labels.

And for fashion, an industry where sustainability has become one of the most heavily used marketing terms, this could be a significant change.

so, is the EU banning the word “sustainable”?

Not exactly.

You've probably seen headlines suggesting that brands will simply be “banned from saying sustainable.” The reality is more nuanced.

The new rules prohibit generic environmental claims when a business cannot demonstrate the recognised excellent environmental performance relevant to that claim.

The Directive gives examples such as “environmentally friendly,” “eco-friendly,” “green,” “climate friendly,” “biodegradable” and “biobased.”

It also specifically discusses broad terms such as “conscious,” “sustainable” and “responsible.”

Why are those words particularly complicated?

Because calling something “sustainable” can suggest much more than one environmental improvement. It can create an impression about the product's environmental and social characteristics.

A brand therefore can't simply point to one positive feature and use it to imply that the entire product—or business—is sustainable.

specific beats vague

This is probably the easiest way to understand the new direction.

Imagine two brands selling a cotton T-shirt.

One says: “Our sustainable T-shirt.”

The other says: “Made from 100% GOTS-certified organic cotton.”

The second tells you something concrete that you can investigate. The first asks you to accept a very broad conclusion.

Or imagine a brand says: “Our eco-friendly packaging.”

That's a generic environmental claim.

By contrast, a statement such as “100% of the energy used to produce this packaging comes from renewable sources” is specific enough that it is not considered a generic environmental claim under this particular prohibition—although, like other environmental claims, it still needs to be truthful and comply with consumer law.

This is ultimately what the regulation is trying to encourage:

tell customers what you're actually doing instead of telling them how they should feel about it.

one sustainable feature doesn't make an entire product sustainable

This is another important change.

A company cannot make an environmental claim about an entire product or its whole business when the claim actually relates to only one aspect.

For example, imagine a fashion brand ships a conventional polyester garment inside recycled packaging.

It would be misleading to market the garment itself as being made from recycled material when only the packaging is recycled.

The same logic applies at company level. A business shouldn't create the impression that its entire operation uses renewable energy if that is only true for one facility.

Environmental claims need to reflect what they're actually describing.

those little green badges are changing too

There's another part of the law that could have a big impact on fashion websites.

You've probably seen badges such as: “Planet Positive”, “Eco Choice”, “Conscious Collection” or simply a green circle with a leaf that gives the impression a product has passed some kind of environmental standard.

Sometimes those labels come from genuine independent certification schemes.

Sometimes the brand created them itself.

From 27 September, displaying a sustainability label that isn't based on a qualifying certification scheme or established by a public authority will be prohibited under the amended EU consumer rules.

And there's an important distinction here:

• A sustainability claim is something a company says.
• A sustainability label is a voluntary trust mark, quality mark or equivalent that distinguishes a product, business or process based on environmental or social characteristics.

Under the new rules, qualifying certification schemes need third-party verification and publicly available requirements, among other safeguards.

So creating your own green badge and placing it beside selected products to make them look certified is no longer something brands can casually do.

why is the EU doing this?

Because consumers increasingly want to make better choices, but those choices become almost impossible when every company describes itself using the same vague language.

If one T-shirt says “eco,” another says “responsible,” and another belongs to a “conscious collection,” what can you actually conclude?

Not much.

The European Commission describes the Directive as a way of strengthening consumer protection against greenwashing while giving people better information to make more informed purchasing decisions.

Instead of rewarding whoever has the best sustainability marketing, the idea is to push companies toward information that can actually be substantiated.

but there's a problem for small fashion brands

This is where the conversation becomes more complicated.

Large fashion companies have sustainability departments, compliance teams and budgets for certifications.

A two-person independent brand usually doesn't.

And many small designers are already doing things that we'd intuitively associate with more responsible fashion.

They might produce 30 garments locally instead of 30,000.

They might make everything to order.

They might work exclusively with deadstock fabrics.

They might know the person sewing every garment.

They might repair products for customers rather than replacing them.

But obtaining third-party certifications can involve costs and administrative work that aren't necessarily realistic for every micro-business. That doesn't mean small brands won't be able to communicate what they're doing.

It means specificity becomes incredibly important.

Instead of: “We are a sustainable fashion brand.”

Tell people: “Every piece is made to order in our Amsterdam studio.”

Instead of: “Made from eco-friendly materials.”

Say: “This bag is made using deadstock leather sourced from an Italian supplier.”

Instead of: “Responsible production.”

Explain: “We produce a maximum of 25 pieces per design to avoid excess inventory.”

Those statements give customers something much more useful anyway.

could this actually be good for independent fashion?

For years, small brands trying to communicate genuine responsible practices have been competing with enormous companies using exactly the same vocabulary.

When everybody is “sustainable,” the word stops meaning anything.

A small designer producing locally in batches of ten and a multinational producing millions of garments can both put a green leaf on a website.

For the average customer, separating meaningful action from clever marketing becomes extremely difficult.

Requiring brands to be more precise could change that. It shifts the conversation away from: “Are you sustainable?” and towards much better questions: What is this made from?, Where was it made?, Who made it?, How many were produced?, Is this certification independently verified?

Those questions tell us considerably more than a green label ever could.

what should you look for when shopping?

After September, don't expect environmental language to disappear completely.

Instead, start paying attention to how specific it is.

“Eco-friendly” tells you almost nothing.

“Made from 100% organic cotton certified to [named standard]” gives you something to verify.

“Responsible production” is vague.

“Made to order in our studio in Rotterdam” describes an actual production model.

“Sustainable materials” leaves you with questions.

“Made from leftover fabric sourced from previous production runs” tells you what the brand is doing.

Specific information doesn't automatically make a product sustainable either—but it gives you the information to make your own judgement.

And that's an important difference.

maybe fashion doesn't need another green label

The fashion industry has spent years trying to reduce complicated environmental and social questions into simple words, but fashion supply chains aren't simple.

A garment can use a better material and still be overproduced. It can be made locally from virgin synthetic fibres. It can use deadstock fabric but be poorly constructed. And a genuinely thoughtful independent designer may not have the money to collect every certification available.

Perhaps the future of sustainable fashion therefore isn't about finding one word that tells us whether something is “good.”

It's about transparency, and let customers decide whether those choices align with their values.

From 27 September 2026, European consumer law will make vague environmental marketing considerably harder. Member States were required to transpose the Directive by March 2026, and the new rules apply from September 27, including to environmental claims and sustainability labels used in relation to existing products.

For an industry that has spent years turning sustainability into a marketing aesthetic, that might not be such a bad thing.