Expanding Floss

4.9
Rated 4.9 out of 5 stars
4.9 Stars (1,467 Reviews)

The boss of all floss

$5.99

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.

Aroma: Mint Eucalyptus
*In laboratory tests; data on file at burstoralcare.com/clinical.

Refill plan: $5.00 per replacement floss every 12 weeks

Aroma: Mint eucalyptus

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4.9
Rated 4.9 out of 5 stars
4.9 Stars (1,553 Reviews)

$6.99 paste refill every 12 weeks, cancel anytime.

Refill plan: $5.00 per replacement floss every 12 weeks, cancel anytime

Refill plan: $5.00 per replacement floss every 12 weeks, cancel anytime

You pay today:  $5.99

Watch it, shop it

See what people think and shop the faves.

Co-created with 1000s of hygienists & dentists

"I love the BURST floss for its color! The black helps my patients see the plaque removal and the expanding technology has more surface area to grab bacteria."

- Kim F., RDH & BURST Ambassador

Go easy on gums

Textured, soft, shred-resistant, expanding thread scrubs away debris while pampering gums. 

Less gunk = better breath 

Clinically tested and shown to remove up to 85% of plaque on surfaces toothbrushes can’t reach and 2x more plaque than a regular unwaxed dental floss.*

*In laboratory tests. Data on file. Download at burstoralcare.com/clinical.

Instantly expands

Expands on contact with saliva to scrub more surface area than typical floss.

See the results

Get the instant satisfaction of seeing exactly what’s been lurking between your teeth, motivating you to keep on flossing!

Refillable case for less waste

Reduce and reuse with our lightweight, compact, 95% recycled plastic case and 40-yard replacement bobbins.

Got questions?

More questions?
Find answers on our FAQs page.

4.9
Rated 4.9 out of 5 stars
Based on 1,467 reviews
Total 5 star reviews: 1.3k Total 4 star reviews: 82 Total 3 star reviews: 24 Total 2 star reviews: 6 Total 1 star reviews: 9
97%would recommend these products
Slide 1 selected
1,467 reviews
  • LT
    Liz T.
    Verified Buyer
    Reviewed By: BURST Ambassador
    11 minutes ago
    Reviewed By: BURST Ambassador
    Free Expanding Floss
    Reviewing
    Free Expanding Floss
    Rated 5 out of 5 stars
    Great floss!

    Love the color…I can see every one of those tooth “bugs” and so can my patients when I review flossing technique with them.

  • S
    Saraya
    Reviewed By: BURST Ambassador
    4 days ago
    Reviewed By: BURST Ambassador
    Expanding Floss
    Reviewing
    Expanding Floss
    Rated 5 out of 5 stars
    best floss

    I love how smooth and easy it is to use! The expansion really helps get the extra debris off my inter proximal spaces! I love it!!! Definitely worth purchasing!!

  • M
    Maria
    4 days ago
    Free Expanding Floss
    Reviewing
    Free Expanding Floss
    Rated 5 out of 5 stars
    5 Stars

    Excellent!

  • J
    Jennifer
    1 week ago
    Replacement Floss
    Reviewing
    Replacement Floss
    Rated 5 out of 5 stars
    5 Stars

    Works and tastes good

  • J
    Jennifer
    1 week ago
    Replacement Floss
    Reviewing
    Replacement Floss
    Rated 5 out of 5 stars
    5 Stars

    Works and tastes great

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