Free Expanding Floss

The Expanding Floss is clinically proven to remove 2x more plaque than regular unwaxed dental floss*.

Yes, we've made flossing twice as effective. This is all thanks to our incredible network of dentists, hygienists, and our Ambassador community of 40,000+ Dental Professionals who demanded better.

With expanding technology, soft shred-resistant black thread, a smart coating, and a delicious aroma, this floss has transformed flossing for the better. We can’t wait for you to love it, too.

Refill plan: $5 per replacement every 12 weeks.
Aroma: Mint eucalyptus
*In laboratory tests; data on file at burstoralcare.com/clinical.

Clinically proven results:

• Removes up to 85% of plaque on tooth surfaces between teeth.
• Up to 58% plaque reduction for deep cleaning on root surfaces just below the gumline.*
• Removes 2x more plaque than regular unwaxed dental floss.

A better flossing experience:

• 300+ strong fibers are woven together to effectively catch all the debris between your teeth.
• Gives you the super satisfying, refreshing feeling of seeing the gunk being pulled out.
• A delicious, minty fresh aroma that is like a spa day for your mouth.
• Intelligently built so you don't have to work as hard.
  
  

Technology

Our Dental Professionals (and us!) don’t want you putting bad crud in your mouth. That’s why our vegan, cruelty-free floss uses natural, effective ingredients with no parabens, BPA, Teflon, or PFAS.

What makes it so special?

• Expanding technology reaches more surface area than typical floss.
• Black color provides a super satisfying feeling by showing all the pesky debris you pull from between your teeth.
• Adsorptive xylitol coating pulls away stubborn stains while helping fight cavities.

Mindful ingredients: Microcrystalline wax, mint eucalyptus aroma, xylitol.
Refill plan: $5 per replacement every 12 weeks.
*In laboratory tests; data on file at burstoralcare.com/clinical.

• 2x more plaque removal than regular unwaxed dental floss
• 40-yards of black, expanding floss
• A re-usable case made of 95% recycled plastic

What you don’t get: 

• Parabens (yuck)
• Phthalates (double yuck)
• Teflon
• BPA
• Major allergens 
• Artificial sweeteners, flavors or colors

*In laboratory tests; data on file at burstoralcare.com/clinical.