Credit: The Italian Reve
WHY THIS MATTERS
The Research Question:
How do major brands market sustainability at scale without losing authenticity, and what separates real commitment from performative messaging? This project examines the gap between what brands claim and what they can actually prove, using three case studies to test where the line between genuine commitment and performative messaging really falls.
Why It Matters Now
Sustainability has become the fashion industry's most used, and most abused, marketing tool. The problem isn't that brands are talking about it. The problem is that most of what they say can't be verified.
According to the European Commission's Green Claims Directive research, 53% of sustainability claims made by brands were either vague, misleading, or unverifiable. That's not a fringe issue, it's the industry norm. And consumers are starting to notice.
In a 2022 survey, over 35% of fashion shoppers in the United States at least somewhat agreed that they did not trust fashion brands' claims about their sustainability commitments. At the same time, 57% of consumers believe the brands they use are guilty of greenwashing, making exaggerated or misleading claims about sustainability.
The stakes are only getting higher. Regulators are now catching up to what consumers already suspect. In 2024, the EU updated its Unfair Commercial Practices Directive to explicitly ban generic green claims, like "eco-friendly" or "sustainable", unless backed by recognized, verifiable certification. The UK Competition and Markets Authority also concluded an investigation into ASOS, Boohoo, and George at Asda, finding that their use of sustainability terms lacked sufficient clarity and could mislead consumers. The era of consequence-free vagueness is ending.
35% of U.S. fashion shoppers don’t fully trust brands’ sustainability claims.
53% of sustainability claims are vague, misleading, or unverifiable.
57% of consumers think brands exaggerate sustainability claims.
Credit: Vogue Magazine
Consumer Trust is Fragile
Audiences want to support sustainable brands, but they're deeply skeptical that sustainability claims are real. While some consumers actively seek out environmental claims when shopping, fewer than half understand what "greenwashing" actually means, which means most people sense something is off without being able to name it. Research shows that only one in five shoppers trust sustainability claims made by brands outright, but after third-party verification, 76% said they would be more likely to trust those same claims. Overall, The trust isn't gone, it just needs proof.
Ethics and transparency are now part of what consumers are buying
People don't just evaluate products anymore, they evaluate the companies behind them. Despite affordability pressures, consumers are now willing to pay a premium for sustainable products and services, a significant increase from 2022. But willingness to pay comes with conditions. A significant majority want clear and accessible information about a product's environmental footprint, and others say they are more likely to purchase from companies that can verify their environmental credentials through certifications. BSI Vague storytelling no longer closes the sale.
Four Key Issues This Project Explores
Growth and responsibility are structurally in conflict
The fashion industry's business model, built on volume, trend cycles, and mass production, is fundamentally difficult to reconcile with genuine sustainability. The ethical fashion market is growing at a compound annual growth rate of 8%, rising from $8.17 billion in 2023 to $8.83 billion in 2024, but that growth exists alongside an industry still responsible for enormous environmental harm. Most brands haven't resolved this tension. They've learned to talk around it. H&M, Dior, and Loro Piana each illustrate a different version of this contradiction.
Credit: Thierry Mugler
Credit: Chanel
Authenticity is both a competitive advantage and a liability
What I found was that sustainability can either be a brand’s biggest advantage or its biggest risk. When a brand genuinely commits to it, it becomes a powerful differentiator. But when it’s just performative, the risk of being exposed is huge. I also found that Gen Z consumers are willing to pay more for truly sustainable products, but that trust only exists when brands can actually back up their claims. In today’s world of constant digital scrutiny and tighter regulations, the line between being seen as authentic and being called out is incredibly thin.