A small study suggests that stainless steel straws may be safest option to avoid PFAS.
and the water used during the manufacturing process.
However, since PFAS were present in almost every brand of paper straw that the team tested it is likely that it was used as a water-repellent coating in some cases, according to the authors. The team says that some of the study’s other limitations include not looking at if the PFAS would leach out of the straws and into liquids.
“The presence of PFAS in paper and bamboo straws shows they are not necessarily biodegradable,” Groffen said. “We did not detect any PFAS in stainless steel straws, so I would advise consumers to use this type of straw–or just avoid using straws at all.” Laura is a science news writer, covering a wide variety of subjects, but she is particularly fascinated by all things aquatic, paleontology, nanotechnology, and exploring how science influences daily life.
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