By Cécile Chi, Standard Development Specialist (Climate), Global Standard
STUTTGART – Per- and polyfluoroalkyl substances (PFAS) have long played a defining role in textile performance. From outdoor wear to everyday apparel, these chemicals have enabled products to repel water, oil and stains in ways that helped shape both consumer expectations and industry standards.
Today, that model is being fundamentally rethought. Growing evidence of PFAS persistence in the environment, alongside concerns about their long-term impacts on ecosystems and human health, is accelerating efforts to phase them out across the textile sector. However, while commitments to eliminate PFAS are becoming more common, delivering on them remains far from straightforward.
This is due to the fact PFAS are not just a finishing solution applied at the end of production, but are embedded across complex, multi-tiered supply chains, often introduced through chemical formulations and processes that sit several steps removed from the final product.
Beyond the finished product
Much of the early focus on PFAS in textiles centred on the characteristics of the final article – whether a garment or fabric could be labelled “PFAS-free.” However, this lens only captures part of the picture.
PFAS may enter the production process at multiple points, either through surfactants, wetting agents, or emulsifiers or auxiliaries used in dyeing and finishing. They can also be introduced indirectly via shared production equipment, recycled water streams or wastewater systems. This means that even when brands and suppliers intentionally remove PFAS from specific formulations, risks of contamination can remain.
As a result, eliminating PFAS increasingly depends on upstream management of chemical inputs and processes, rather than relying solely on end-product testing. A finished product may pass screening thresholds, but without full visibility of the chemical inventory and production environment, unintended contamination cannot be ruled out.
This is driving a shift toward more comprehensive approaches to chemical management, where every input across every stage of production is subject to scrutiny. It also reinforces the importance of supplier transparency and traceability, both of which are essential to understanding how and where chemicals enter textile supply chains.
From compliance to prevention
The environmental dimension of PFAS adds further urgency to this transition. Many PFAS compounds are highly persistent, meaning they do not readily break down once released into the environment. When they enter wastewater systems, rivers, groundwater or soil, they may remain there for extended periods, contributing to long-term contamination.
For the textile sector, this persistence is reshaping how responsibility is defined. Managing PFAS is no longer only about ensuring that finished products meet regulatory thresholds but preventing emissions at source. Reactive compliance models, based on testing and threshold limits, can identify problems after they occur. Preventive approaches, by contrast, seek to eliminate the risk before it arises by controlling the use of hazardous substances throughout the production process.
Increasingly, stakeholders – from regulators to investors and consumers – are expecting this shift toward source control. In practice, that means prioritising safer chemical alternatives, strengthening wastewater management, and embedding due diligence across entire supply networks.
The complexity of “PFAS-free”
As the industry moves in this direction, the concept of “PFAS-free” itself is becoming more nuanced.
While some products can be manufactured without the intentional use of PFAS, achieving absolute absence is more complex. Trace contamination may occur through shared facilities, legacy residues in equipment, or interactions within multi-tier supply systems. In some cases, inputs sourced from different suppliers may carry varying risk profiles that are not immediately visible.
This does not mean that PFAS elimination is unattainable, but it highlights the need for credible, system-based approaches that go beyond simple material substitution.
Replacing PFAS with alternative chemistries is only one part of the solution. Ensuring that those alternatives are themselves safe, effective and responsibly managed is equally critical. Without robust assessment frameworks, there is a risk of “regrettable substitution,” where one problematic chemistry is replaced with another.
Connecting PFAS to the wider sustainability agenda
Importantly, the conversation around PFAS is increasingly intersecting with broader sustainability priorities. Water stewardship is one clear example. The persistence of PFAS in aquatic environments highlights the importance of reducing pollutant loads at source and improving wastewater treatment systems.
Similarly, PFAS management is closely linked to circularity. Residual PFAS contamination in textiles and processing systems can also complicate recycling pathways, affecting the quality and safety of recycled materials.
This also has implications for supply chain resilience and nature-related impacts. As pressures on water systems, ecosystems and global supply chains intensify, reducing reliance on persistent and hazardous chemicals is becoming part of building more resilient production models. At the same time, it reinforces the need to better manage how chemicals move through and affect ecosystems beyond the point of use.
Together, these connections highlight a broader shift: chemical management can no longer be treated as a standalone compliance issue. Instead, it must be integrated into a wider strategy that addresses environmental sustainability in a systemic way.
Building future-ready supply chains
Encouragingly, many parts of the textile industry are already moving in this direction. Certification frameworks and industry standards, for instance, are playing a key role by providing structured approaches to chemical management, traceability and due diligence. By setting clear requirements around input approval, documentation and verification, they help translate high-level commitments into practical action.
For brands and suppliers, this creates both challenges and opportunities. Implementing more rigorous chemical management systems requires investment, collaboration and transparency across supply chains that are often global and highly fragmented. At the same time, it offers a pathway to greater resilience. Supply chains that are built on clear visibility, strong governance and safer inputs are better positioned to adapt to changing regulations, respond to stakeholder expectations and manage long-term risks.
A systems-level transition
Ultimately, the phase-out of PFAS in textiles is not simply about replacing one set of chemicals with another. It is about rethinking how performance, safety and sustainability are delivered across the entire lifecycle of a product.
This transition will take time, and it will require coordinated action across the value chain, but the direction of travel is clear. Moving beyond PFAS involves shifting from reactive compliance to proactive management and from isolated interventions to system-wide change.
For an industry under increasing scrutiny, this represents more than a regulatory requirement. It is an opportunity to redefine what responsible textile production looks like in practice and to build supply chains that are not only PFAS-free, but fundamentally more sustainable.
