Better Goods News

New Study Suggests That Some Dental Floss Products May Contain PFAS

Charlotte Pointing

Oct 14, 2022

PFAS (known as "forever chemicals") are in a number of products, from non-stick pans to waterproof jackets. But, according to one new study, they could also be in dental floss.

A growing body of research has linked perfluorinated alkylate substances (PFAS) with a higher risk of a number of health concerns, including certain types of cancer, infertility, and thyroid problems.

But despite this, they are still used in everything from firefighting foam to children's school uniforms. Essentially, they are used for their slippery, non-stick properties.

According to a new study by Environmental Health News and Mamavation, PFAS have also found their way into dental products. The two companies tested 39 different floss brands and found evidence of PFAS in 13.

Does Oral-B floss contain PFAS?

The research suggested that four floss products contained more than 70,000 ppm of PFAS, while another had more than 248,000 ppm. The latter, it claims, was a product from Oral-B, one of the world's top oral care brands.

The brand has responded to the research, claiming that none of the substances in the study are used in its dental floss. It noted: "The safety of the people who use our products is our top priority."

However, this is not the first time a study has suggested the presence of toxic chemicals in Oral-B products.

In 2019, research indicated that women who used Oral-B Glide floss (also tested in the newer study) had higher levels perfluorohexane sulfonic acid (a type of PFAS) in their blood than those who did not.

Speaking with Environmental Health News, professor of green chemistry Terry Collins said that the American Dental Association should no longer approve dental products that contain PFAS.

He added: "They should start educating their members about the insidious nature of low-dose adverse effects from endocrine-disrupting chemicals."

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Charlotte Pointing

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