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Best choice
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Contains ingredients with possible health concerns
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Contains harmful ingredients
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Expanding Floss

Last verified: February 11, 2026

  • Microcrystalline Wax
  • Mint Eucalyptus Aroma
  • Xylitol

Why This Product is Rated STOP

Expanding Floss by burst has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.

We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.

Learn more about how Million Marker scores products →

Frequently Asked Questions

Expanding Floss by burst - Non-toxic Oral Care product rated STOP by Million Marker, free from BPA, phthalates, and parabens

Where to buy

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