PFAS
PFAS are known as "forever chemicals" because of their inability to decompose naturally after manufacturing. They are found in many consumer items including health and beauty aids and are often used to create coatings for fabrics thanks to their resistance to oil and other liquids.
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Using a new technique called nanoscale fletching, scientist have created a high-performing nonstick coating that repels water and oil – without the PFAS profile. It's a big step toward the elusive "holy grail" of a safer, greener Teflon.