--- title: "Forever Chemicals, Explained: What You Need to Know About PFAS | instrAction" description: PFAS, the “forever chemicals” found in water and everyday products, explained. Learn where they come from, how they spread, and why they matter. image: https://instraction.de/hubfs/waterdrop-417468_1280.jpg --- [Skip to main content](https://instraction.de/insights/forever-chemicals-explained-what-you-need-to-know-about-pfas#main-content) [![Logo_instrAction_RBB](https://instraction.de/hs-fs/hubfs/iA%20-%20Logos%20and%20Icons/Logo_instrAction_RBB.png?width=242&height=60&name=Logo_instrAction_RBB.png) ![Logo_instrAction_RBB](https://instraction.de/hs-fs/hubfs/iA%20-%20Logos%20and%20Icons/Logo_instrAction_RBB.png?width=242&height=60&name=Logo_instrAction_RBB.png)](https://instraction.de) - [Home](https://instraction.de) - [Show submenu for About iA About iA](https://instraction.de/about-ia) - [Overview](https://instraction.de/about-ia) - [Team](https://instraction.de/team) - [Careers](https://instraction.de/careers) - Show submenu for Products Products - [Industrial Filter Solutions](https://instraction.de/industrial-filter-solutions) - [Absorbers](https://instraction.de/absorbers) - [Mobile Treatment Unit](https://instraction.de/mobile-treatment-unit) - [Show submenu for Applications Applications](https://instraction.de/applications) - [PFAS Removal](https://instraction.de/pfas-removal) - [Heavy Metal Removal](https://instraction.de/heavy-metal-removal) - [Precious Metal Recovery](https://instraction.de/precious-metal-recovery) - [Drinking Water Filtration](https://instraction.de/drinking-water-filtration) - [Insights](https://instraction.de/insights) - [Show submenu for Partner Partner](https://instraction.de/partner) - [Become A Partner](https://instraction.de/become-a-partner) - [Contact](https://instraction.de/contact) Open main navigation Close main navigation - [Home](https://instraction.de) - Show submenu for About iA About iA - About iA - [About iA](https://instraction.de/about-ia) - [Overview](https://instraction.de/about-ia) - [Team](https://instraction.de/team) - [Careers](https://instraction.de/careers) - Show submenu for Products Products - Products - [Industrial Filter Solutions](https://instraction.de/industrial-filter-solutions) - [Absorbers](https://instraction.de/absorbers) - [Mobile Treatment Unit](https://instraction.de/mobile-treatment-unit) - Show submenu for Applications Applications - Applications - [Applications](https://instraction.de/applications) - [PFAS Removal](https://instraction.de/pfas-removal) - [Heavy Metal Removal](https://instraction.de/heavy-metal-removal) - [Precious Metal Recovery](https://instraction.de/precious-metal-recovery) - [Drinking Water Filtration](https://instraction.de/drinking-water-filtration) - [Insights](https://instraction.de/insights) - Show submenu for Partner Partner - Partner - [Partner](https://instraction.de/partner) - [Become A Partner](https://instraction.de/become-a-partner) - [Contact](https://instraction.de/contact) - Search - [![This image is missing an alt tag](https://www.lean-labs.com/hubfs/sr-assets/images/sr-social-facebook.png)](https://www.linkedin.com/company/instraction-gmbh/) Search Tags - [PFAS](https://instraction.de/insights/tag/pfas) - [Blog](https://instraction.de/insights/tag/blog) - [News](https://instraction.de/insights/tag/news) - [Award](https://instraction.de/insights/tag/award) - [EU](https://instraction.de/insights/tag/eu) - [Event](https://instraction.de/insights/tag/event) - [Newsletter](https://instraction.de/insights/tag/newsletter) Search - [PFAS](https://instraction.de/insights/tag/pfas) - [Blog](https://instraction.de/insights/tag/blog) - [News](https://instraction.de/insights/tag/news) - [Award](https://instraction.de/insights/tag/award) - [EU](https://instraction.de/insights/tag/eu) - [Event](https://instraction.de/insights/tag/event) - [Newsletter](https://instraction.de/insights/tag/newsletter) [Blog](https://instraction.de/insights/tag/blog) # Forever Chemicals, Explained: What You Need to Know About PFAS ![Sophia Muhr](https://instraction.de/hs-fs/hubfs/iA%20-%20Logos%20and%20Icons/icon_instrAction_RGB.png?width=120&height=120&name=icon_instrAction_RGB.png) by [Sophia Muhr](https://instraction.de/insights/author/sophia-muhr) Oct 21, 2025 PFAS are everywhere: Not only all over the news but also in your drinking water, your cookware, and even the air we breathe. The abbreviation stands for per- and polyfluoroalkyl substances, which have quietly become one of the biggest environmental challenges of our time. Often called “forever chemicals”, they resist breaking down and can accumulate in people and ecosystems alike. But what exactly are they? Where do they come from? And why do they matter so much? Let’s take a closer look! **What Are PFAS?** ![Screenshot 2025-10-21 at 12.23.39](https://instraction.de/hs-fs/hubfs/Screenshot%202025-10-21%20at%2012.23.39.png?width=367&height=250&name=Screenshot%202025-10-21%20at%2012.23.39.png)PFAS are a large group of man-made chemicals used since the mid-20th century to make products that repel water, grease, and stains. They owe their resilience to an almost unbreakable carbon-fluorine bond, one of the strongest in chemistry. That stability made PFAS incredibly useful in everything from non-stick pans and food packaging to firefighting foams and waterproof textiles. It also made them nearly impossible to destroy. Because they don’t degrade naturally, PFAS linger for decades. In the environment, in wildlife, and in us. That’s why scientists call them forever chemicals. **The Most Common PFAS** Not all PFAS are the same, but a few are especially widespread and well studied: PFOA (Perfluorooctanoic acid) Once used in non-stick coatings and industrial applications; linked to cancers, thyroid disease, and immune effects. PFOS (Perfluorooctane sulfonic acid) Formerly common in firefighting foams and stain repellents; found across wildlife and human tissues worldwide. GenX (HFPO-DA) Introduced as a “safer” alternative to PFOA, but evidence suggests similar toxicity and persistence.   Each of these has shown the same pattern: widespread use, long-term persistence, and concerning health links. **Where Do PFAS Come From?** PFAS pollution stems from both industrial and everyday sources.Major contributors include: ![PFAS Sources](https://instraction.de/hs-fs/hubfs/iA%20-%20Graphics/pfas_sources_circle.png?width=494&height=485&name=pfas_sources_circle.png)     Once released, PFAS can travel through air and water, leach into groundwater, and spread across ecosystems. Because traditional treatment plants aren’t built to capture them, they often become redistribution points rather than containment barriers.     **How Widespread Is PFAS Contamination?** PFAS have been detected in more than 75 countries, and scientists have found traces even in the Arctic. This is more than proof that these chemicals travel long distances through the atmosphere and water currents. They show up in: - Drinking water: especially near industrial facilities and firefighting training sites. - Soil and crops: due to contaminated fertilizers or sludge - Wildlife: including fish, birds, and mammals. Evidence of bioaccumulation across food chains **In short:** PFAS pollution knows no borders. It affects urban centers and remote landscapes alike. **Health Impacts of PFAS** Research continues to uncover the ways PFAS interact with the body. Even at low concentrations, long-term exposure can have serious effects. Studies have linked PFAS to: - Immune system suppression and reduced vaccine response - Increased risk of cancers (especially kidney and testicular) - Thyroid disorders and hormonal disruption - Reproductive and developmental harm - Liver damage and cholesterol imbalance Pregnant women and children are especially vulnerable, as PFAS can cross the placenta and enter breast milk. Because the chemicals accumulate over time, even small daily exposures can add up. **Why PFAS Are So Difficult to Remove** The same chemistry that made PFAS so useful also makes them a nightmare to eliminate. Their strong carbon-fluorine bonds resist heat, microbes, and most natural degradation processes. Traditional water treatments (like sand filtration or simple chemical oxidation) barely touch them. More advanced methods such as activated carbon, ion exchange resins, and membrane filtration can capture PFAS, but complete destruction remains technically and financially challenging. Emerging techniques like electrochemical oxidation and thermal destruction show promise, but are still developing. **What Can Be Done?** The global scientific and regulatory community is now working toward comprehensive PFAS mitigation, combining prevention, monitoring, and remediation. Key steps include: - Ban or phase out harmful PFAS compounds - Stricter regulations and monitoring - Develop PFAS-free alternatives - Invest in R&D for treatment technologies - Promote global cooperation and public awareness While no single solution can erase decades of contamination, coordinated action can prevent future harm and reduce exposure for generations to come. **Further Reading:** - PFAS: forever chemicals—persistent, bioaccumulative and mobile. Reviewing the status and the need for their phase-out and remediation of contaminated sites. Brunn, et al., Environmental Sciences Europe, Vol. 35, Article 20, **2023**. [https://doi.org/10.1186/s12302-023-00721-8](https://doi.org/10.1186/s12302-023-00721-8) - Comprehensive analysis of PFAS presence from environment to plate. Dimitrakopoulou, et al., npj Science of Food, Volume 8, Article 80, 2024. [https://doi.org/10.1038/s41538-024-00319-1](https://doi.org/10.1038/s41538-024-00319-1) - Environmental impacts, exposure pathways, and health effects of PFOA and PFOS. Wee, et al., Ecotoxicology and Environmental Safety, Volume 267, 115663, 2023. [https://doi.org/10.1016/j.ecoenv.2023.115663](https://doi.org/10.1016/j.ecoenv.2023.115663)     Tags: [Blog](https://instraction.de/insights/tag/blog) ![Sophia Muhr](https://instraction.de/hs-fs/hubfs/iA%20-%20Logos%20and%20Icons/icon_instrAction_RGB.png?width=120&height=120&name=icon_instrAction_RGB.png) by **[Sophia Muhr](https://instraction.de/insights/author/sophia-muhr)** Oct 21, 2025 ![iA_team-7](https://instraction.de/hs-fs/hubfs/iA%20-%20Team/iA_team-7.jpg?width=2000&name=iA_team-7.jpg) ##### We want to support you with our expertise and solutions in your projects. ###### Categories - [PFAS](https://instraction.de/insights/tag/pfas) - [Blog](https://instraction.de/insights/tag/blog) - [News](https://instraction.de/insights/tag/news) - [Award](https://instraction.de/insights/tag/award) - [EU](https://instraction.de/insights/tag/eu) - [Event](https://instraction.de/insights/tag/event) - [Newsletter](https://instraction.de/insights/tag/newsletter) - [Partner](https://instraction.de/insights/tag/partner) - [Point-of-Use](https://instraction.de/insights/tag/point-of-use) - [Press Release](https://instraction.de/insights/tag/press-release) ###### Recent Posts - [Switching from AFFF to fluorine-free foam? Don’t forget the PFAS residues](https://instraction.de/insights/switching-from-afff-to-fluorine-free-foam-pfas-residues) - [Waterproof Mascara, Long-Wear Foundation, and Forever Chemicals](https://instraction.de/insights/waterproof-mascara-long-wear-foundation-and-pfas) - [PFAS in our blood?](https://instraction.de/insights/pfas-in-our-blood) - [The Hidden PFAS Challenge on Construction Sites](https://instraction.de/insights/the-hidden-pfas-challenge-on-construction-sites) - [PFAS-Free Alternatives: Everyday Choices That Reduce Exposure](https://instraction.de/insights/pfas-free-alternatives) ## Related Articles [![Switching from AFFF to fluorine-free foam? Don’t forget the PFAS residues](https://instraction.de/hs-fs/hubfs/pexels-juan-moccagatta-2159466094-37942080.jpg?width=500&height=500&name=pexels-juan-moccagatta-2159466094-37942080.jpg) Switching from AFFF to fluorine-free foam? Don’t forget the PFAS residues Lea Tsalos • Jul 17, 2026 3 min read](https://instraction.de/insights/switching-from-afff-to-fluorine-free-foam-pfas-residues) [![Waterproof Mascara, Long-Wear Foundation, and Forever Chemicals](https://instraction.de/hs-fs/hubfs/pexels-didsss-7667673.jpg?width=500&height=500&name=pexels-didsss-7667673.jpg) Waterproof Mascara, Long-Wear Foundation, and Forever Chemicals Lea Tsalos • May 22, 2026 4 min read](https://instraction.de/insights/waterproof-mascara-long-wear-foundation-and-pfas) [![PFAS in our blood?](https://instraction.de/hs-fs/hubfs/57.png?width=500&height=500&name=57.png) PFAS in our blood? Lea Tsalos • Apr 26, 2026 5 min read](https://instraction.de/insights/pfas-in-our-blood) ©2026 instrAction GmbH · All rights reserved · [Imprint](https://instraction.de/imprint)  · [Privacy Policy](https://instraction.de/privacy-policy) · [Terms & Conditions](https://instraction.de/terms-and-conditions) - - ```json { "@context" : "https://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Sophia Muhr", "url" : "https://instraction.de/insights/author/sophia-muhr" }, "dateModified" : "2025-11-01T10:07:00.451Z", "datePublished" : "2025-10-21T11:48:00.000Z", "headline" : "Forever Chemicals, Explained: What You Need to Know About PFAS | instrAction", "image" : [ "https://instraction.de/hubfs/waterdrop-417468_1280.jpg" ], "mainEntityOfPage" : { "@id" : "https://instraction.de/insights/forever-chemicals-explained-what-you-need-to-know-about-pfas", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "url" : "https://instraction.de/hubfs/Logos%20and%20Icons/Logo_instAction_RGB_Black.png" }, "name" : "instrAction GmbH" } } ```