Expanding Floss 4 Pack

4.8
Rated 4.8 out of 5 stars
4.8 Stars (1,599 Reviews)

The boss of all floss

$22.99 $22.99

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 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.

🚚 Heads up! –Shipping will start on December 5th !
Pack options:
4 packs (160 yards) of Expanding Floss

Refill plan: $20.00 for 4 replacement floss bobbins every 4 weeks

Aroma: Mint eucalyptus

Refill plan: $20.00 for 4 replacement floss bobbins every 4 weeks, cancel anytime

Refill plan: $20.00 for 4 replacement floss bobbins every 4 weeks, cancel anytime

You pay today:  $22.99 $22.99

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.

4.8
Rated 4.8 out of 5 stars
Based on 1,599 reviews
Total 5 star reviews: 1.5k Total 4 star reviews: 92 Total 3 star reviews: 30 Total 2 star reviews: 7 Total 1 star reviews: 17
97%would recommend these products
Slide 1 selected
1,599 reviews
  • MC
    Marcy C.
    Verified Buyer
    Reviewed By: Customer
    Yesterday
    Reviewed By: Customer
    Reviewing
    Free Expanding Floss
    Rated 5 out of 5 stars
    Nice job!

    Nice free gift. Works great! I’ll be ordering this.

  • C
    Caitlin
    Verified Reviewer
    Reviewed By: Customer
    3 days ago
    Reviewed By: Customer
    Reviewing
    Expanding Floss
    Rated 5 out of 5 stars
    Best flossing experience of my life

    I'm so glad I found this floss. It feels great. I love that it's dark so I can see the impact. And it is so strong that it's easy to tear off a piece which used to be such a headache with cheap drugstore floss. 10 out of 10 recommend.

  • EM
    Elizabeth M.
    Verified Buyer
    Reviewed By: Customer
    5 days ago
    Reviewed By: Customer
    Reviewing
    Expanding Floss 4 Pack
    Rated 1 out of 5 stars
    I would review product if I ever receive it

    Placed an order Nov 7, still don’t have it

    BO Profile picture for BURST Oral Care
    BURST Oral Care
    4 days ago

    Hi Elizabeth, we're really sorry for the delay. This isn’t the normal Burst experience! We are glad to see our team has already resolved this with you, and we appreciate your patience. We can’t wait for you to try your order! 💜

  • C
    Charlene
    6 days ago
    Reviewing
    Expanding Floss 4 Pack
    Rated 5 out of 5 stars
    5 Stars

    It glides easily between tight teeth. Removes plaque better than any floss i have used.

  • K
    KATHI
    1 week ago
    Reviewing
    Floss Refill
    Rated 5 out of 5 stars
    5 Stars

    Great product