The FDA had previously authorised certain PFAS for restricted applications. Credit: UvGroup via Shutterstock.

The US Food and Drug Administration (FDA) has declared that materials containing per- and polyfluoroalkyl substances (PFAS) used for greaseproofing in food packaging are no longer available for sale in the US.  

The announcement means the removal of a significant source of dietary PFAS exposure found in products such as popcorn bags, fast-food wrappers, and pet food bags. 

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It also fulfils a voluntary pledge by manufacturers to cease the sale of food-contact substances containing specific PFAS as greaseproofing agents in the US.  

This FDA-led effort signifies a significant advancement in the re-evaluation of chemicals used in food contexts and marks a milestone in safeguarding consumers from potentially hazardous food-contact chemicals. 

PFAS, known for their resistance to grease, oil, water, and heat, encompass a vast array of chemicals, with some associated with severe health risks. 

The FDA had previously authorised certain PFAS for restricted applications in cookware, food packaging, and food processing equipment. 

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The regulatory agency stated that this latest achievement is the outcome of its research and leadership, combined with cooperation from the industry. 

In 2020, the agency initiated discussions with companies to halt the sale of greaseproofing agents containing certain PFAS types, following a post-market safety assessment. 

In October last year, California Attorney General Rob Bonta called on food packaging and paper straw manufacturers in the US to precisely disclose the PFAS content in their products.